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)

you have 16 different varieties to choose from

+ Product Description Introducing our Ratcheting PVC Tube Cutter

Installation – Easy installation - just screw the sides of the access panel frame into your duct/hole – see photos for example

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