10" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Supply Grille listed size +1

listed size +1

order a 14x20 grille

Crafted for durability and rust-resistance

+ Product Details Size – 4"w X 10"h or 10"w X 4"h is the size for the duct opening measurement only

10" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Supply Grille listed size +1+ 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