8" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Color_R-4.2 Yellow accordion-title { font-size: 17px

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+ Product Description When it's time to upgrade your HVAC Vents in your house

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+ Product Details Size – 10" X 4" is the size for the duct opening (floor/vent hole) measurement only

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8" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Color_R-4.2 Yellow accordion-title { font-size: 17px+ 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