14" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length 18in diameter Solid Rigid Steel Body For

Solid Rigid Steel Body For Durability and Reliability

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1/2" White insulation will give you a good R value of 3

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customize cuts and flares as needed

14" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length 18in diameter Solid Rigid Steel Body For+ Product Details High Quality Aluminum housing on the outside and on the inside for the best insulation value Insulation A thick blanket of fiberglass insulation provides you with an R Value of 8. 0 Energy Efficient Air tight inner core decreases the pressure loss and provides a more hygienic environment high energy efficient No fiberglass erosion into air stream Design Designed to withstand bends and sharp turns without kinking. Tough reinforced