6" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Floor Grille + Product Details Size –

+ Product Details Size – 6"w X 12"h is the size for the duct opening measurement only

75" width X 23

+ Product Details Size – 18"w X 18"h is the size for the duct opening measurement only

+ Product Details Operating Temperature From -40°F To +248°F [-40°C To +120°C]

6" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Floor Grille + 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 4. 2 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