16" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Supply Grille specifically designed for the 45mm

specifically designed for the 45mm Ratcheting Tubing Cutter

10"w X 8"h Is The Size For The Duct Opening Measurement Only

You can use these couplings for all things plumbing including drinking water

75"H – fits a 20" X 4" duct opening

16" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Supply Grille specifically designed for the 45mm+ 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