18" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Color_Red Oak Wood + Product Details Size –

+ Product Details Size – 8" x 24" or 24" x 8" is the size for the duct opening measurement only

85" width X 9

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You may think of grilles and registers as a generic component of the ventilation system in your house

18" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Color_Red Oak Wood + Product Details Size –+ 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