4" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Color_Aluminum + Product Details Size -

+ Product Details Size - 20"W X 8"H is (for duct opening measurement only)

the ultimate tool for effortless cutting of thin and thick PVC tubing below 36mm in diameter

+ Product Details Size – 12"w X 24"h is the size for the duct opening measurement only

you have 16 different varieties to choose from

4" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Color_Aluminum + 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 6. 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