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Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"18x2","offer_id":52609029767455,"sku":null,"price":67.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"24x2-r6-insulated-plenum-box-1-slot-fiberglass-hvac-plenum-cryptic-air","title":"24x2 R6 Insulated Plenum Box - 1-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 24x2 R6 insulated plenum box measures 24 inches long by 2 inches wide and is built to pair with the 1-slot linear slot diffuser. 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Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 1-slot diffuser at 24 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"24x2","offer_id":52609030258975,"sku":null,"price":100.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"36x2-r6-insulated-plenum-box-1-slot-fiberglass-hvac-plenum-cryptic-air","title":"36x2 R6 Insulated Plenum Box - 1-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 36x2 R6 insulated plenum box measures 36 inches long by 2 inches wide and is built to pair with the 1-slot linear slot diffuser. 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Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 1-slot diffuser at 36 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"36x2","offer_id":52609030783263,"sku":null,"price":144.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"48x2-r6-insulated-plenum-box-1-slot-fiberglass-hvac-plenum-cryptic-air","title":"48x2 R6 Insulated Plenum Box - 1-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 48x2 R6 insulated plenum box measures 48 inches long by 2 inches wide and is built to pair with the 1-slot linear slot diffuser. 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Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 1-slot diffuser at 48 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"48x2","offer_id":52609031078175,"sku":null,"price":171.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"60x2-r6-insulated-plenum-box-1-slot-fiberglass-hvac-plenum-cryptic-air","title":"60x2 R6 Insulated Plenum Box - 1-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 60x2 R6 insulated plenum box measures 60 inches long by 2 inches wide and is built to pair with the 1-slot linear slot diffuser. 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Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 1-slot diffuser at 60 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"60x2","offer_id":52609031373087,"sku":null,"price":210.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"72x2-r6-insulated-plenum-box-1-slot-fiberglass-hvac-plenum-cryptic-air","title":"72x2 R6 Insulated Plenum Box - 1-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 72x2 R6 insulated plenum box measures 72 inches long by 2 inches wide and is built to pair with the 1-slot linear slot diffuser. 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Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 1-slot diffuser at 72 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"72x2","offer_id":52609031766303,"sku":null,"price":243.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"84x2-r6-insulated-plenum-box-1-slot-fiberglass-hvac-plenum-cryptic-air","title":"84x2 R6 Insulated Plenum Box - 1-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 84x2 R6 insulated plenum box measures 84 inches long by 2 inches wide and is built to pair with the 1-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 1-slot diffuser at 84 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"84x2","offer_id":52609032356127,"sku":null,"price":343.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"12x4-r6-insulated-plenum-box-2-slot-fiberglass-hvac-plenum-cryptic-air","title":"12x4 R6 Insulated Plenum Box - 2-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 12x4 R6 insulated plenum box measures 12 inches long by 4 inches wide and is built to pair with the 2-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 2-slot diffuser at 12 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"12x4","offer_id":52609033273631,"sku":null,"price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"18x4-r6-insulated-plenum-box-2-slot-fiberglass-hvac-plenum-cryptic-air","title":"18x4 R6 Insulated Plenum Box - 2-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 18x4 R6 insulated plenum box measures 18 inches long by 4 inches wide and is built to pair with the 2-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 2-slot diffuser at 18 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"18x4","offer_id":52609033928991,"sku":null,"price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"24x4-r6-insulated-plenum-box-2-slot-fiberglass-hvac-plenum-cryptic-air","title":"24x4 R6 Insulated Plenum Box - 2-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 24x4 R6 insulated plenum box measures 24 inches long by 4 inches wide and is built to pair with the 2-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 2-slot diffuser at 24 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"24x4","offer_id":52609034518815,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"36x4-r6-insulated-plenum-box-2-slot-fiberglass-hvac-plenum-cryptic-air","title":"36x4 R6 Insulated Plenum Box - 2-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 36x4 R6 insulated plenum box measures 36 inches long by 4 inches wide and is built to pair with the 2-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 2-slot diffuser at 36 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"36x4","offer_id":52609035141407,"sku":null,"price":155.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"48x4-r6-insulated-plenum-box-2-slot-fiberglass-hvac-plenum-cryptic-air","title":"48x4 R6 Insulated Plenum Box - 2-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 48x4 R6 insulated plenum box measures 48 inches long by 4 inches wide and is built to pair with the 2-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 2-slot diffuser at 48 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"48x4","offer_id":52609035632927,"sku":null,"price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"60x4-r6-insulated-plenum-box-2-slot-fiberglass-hvac-plenum-cryptic-air","title":"60x4 R6 Insulated Plenum Box - 2-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 60x4 R6 insulated plenum box measures 60 inches long by 4 inches wide and is built to pair with the 2-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 2-slot diffuser at 60 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"60x4","offer_id":52609036353823,"sku":null,"price":232.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"72x4-r6-insulated-plenum-box-2-slot-fiberglass-hvac-plenum-cryptic-air","title":"72x4 R6 Insulated Plenum Box - 2-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 72x4 R6 insulated plenum box measures 72 inches long by 4 inches wide and is built to pair with the 2-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 2-slot diffuser at 72 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"72x4","offer_id":52609037140255,"sku":null,"price":265.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"84x4-r6-insulated-plenum-box-2-slot-fiberglass-hvac-plenum-cryptic-air","title":"84x4 R6 Insulated Plenum Box - 2-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 84x4 R6 insulated plenum box measures 84 inches long by 4 inches wide and is built to pair with the 2-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 2-slot diffuser at 84 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"84x4","offer_id":52609038090527,"sku":null,"price":375.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"12x6-r6-insulated-plenum-box-3-slot-fiberglass-hvac-plenum-cryptic-air","title":"12x6 R6 Insulated Plenum Box - 3-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 12x6 R6 insulated plenum box measures 12 inches long by 6 inches wide and is built to pair with the 3-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 3-slot diffuser at 12 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"12x6","offer_id":52609038221599,"sku":null,"price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"18x6-r6-insulated-plenum-box-3-slot-fiberglass-hvac-plenum-cryptic-air","title":"18x6 R6 Insulated Plenum Box - 3-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 18x6 R6 insulated plenum box measures 18 inches long by 6 inches wide and is built to pair with the 3-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 3-slot diffuser at 18 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"18x6","offer_id":52609038745887,"sku":null,"price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"24x6-r6-insulated-plenum-box-3-slot-fiberglass-hvac-plenum-cryptic-air","title":"24x6 R6 Insulated Plenum Box - 3-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 24x6 R6 insulated plenum box measures 24 inches long by 6 inches wide and is built to pair with the 3-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 3-slot diffuser at 24 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"24x6","offer_id":52609039597855,"sku":null,"price":116.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"36x6-r6-insulated-plenum-box-3-slot-fiberglass-hvac-plenum-cryptic-air","title":"36x6 R6 Insulated Plenum Box - 3-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 36x6 R6 insulated plenum box measures 36 inches long by 6 inches wide and is built to pair with the 3-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 3-slot diffuser at 36 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"36x6","offer_id":52609041170719,"sku":null,"price":160.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"48x6-r6-insulated-plenum-box-3-slot-fiberglass-hvac-plenum-cryptic-air","title":"48x6 R6 Insulated Plenum Box - 3-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 48x6 R6 insulated plenum box measures 48 inches long by 6 inches wide and is built to pair with the 3-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 3-slot diffuser at 48 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"48x6","offer_id":52609041662239,"sku":null,"price":210.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"60x6-r6-insulated-plenum-box-3-slot-fiberglass-hvac-plenum-cryptic-air","title":"60x6 R6 Insulated Plenum Box - 3-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 60x6 R6 insulated plenum box measures 60 inches long by 6 inches wide and is built to pair with the 3-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 3-slot diffuser at 60 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"60x6","offer_id":52609042317599,"sku":null,"price":237.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"72x6-r6-insulated-plenum-box-3-slot-fiberglass-hvac-plenum-cryptic-air","title":"72x6 R6 Insulated Plenum Box - 3-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 72x6 R6 insulated plenum box measures 72 inches long by 6 inches wide and is built to pair with the 3-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 3-slot diffuser at 72 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"72x6","offer_id":52609042940191,"sku":null,"price":285.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"},{"product_id":"84x6-r6-insulated-plenum-box-3-slot-fiberglass-hvac-plenum-cryptic-air","title":"84x6 R6 Insulated Plenum Box - 3-Slot - Fiberglass HVAC Plenum | Cryptic Air","description":"\u003cp\u003eThe Cryptic Air 84x6 R6 insulated plenum box measures 84 inches long by 6 inches wide and is built to pair with the 3-slot linear slot diffuser. R6 fiberglass duct board controls condensation, lowers noise, and keeps the run efficient. Cut a duct collar in any size, anywhere on the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched to your diffuser.\u003c\/strong\u003e Sized based on your diffuser order, no guesswork at install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible duct connection.\u003c\/strong\u003e Cut and install a collar in any size, anywhere on the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized airflow.\u003c\/strong\u003e Maintains proper pressure and even air distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet operation.\u003c\/strong\u003e Insulated interior reduces turbulence and lowers noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondensation control.\u003c\/strong\u003e R6 fiberglass reduces sweating and temperature transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean professional install.\u003c\/strong\u003e Front metal lip for secure drywall connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePairs with any Cryptic Air 3-slot diffuser at 84 inches. Need a size we do not stock? Custom sizing is included at no extra charge. Send your dimensions and our HVAC team will match them exactly, or call 786-629-9699.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Fiberglass material. Use gloves, mask, and proper protection when handling or cutting. May cause skin or respiratory irritation.\u003c\/p\u003e","brand":"Cryptic Air","offers":[{"title":"84x6","offer_id":52609043398943,"sku":null,"price":405.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/files\/PlenumBox-Edited.png?v=1774302019"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/3658\/8831\/collections\/Untitled_design_87.png?v=1785517614","url":"https:\/\/www.cryptic-air.com\/collections\/plenum-boxes-hvac-pro.oembed?page=2","provider":"Cryptic Air","version":"1.0","type":"link"}