6" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Copper Coil-Insulated Line Set 12"w X 4"h Is The

12"w X 4"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size – 14"w X 2"h is the size for the duct opening measurement only

this flex duct decreases the pressure loss and provides a more hygienic environment

The operable dampers

6" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Copper Coil-Insulated Line Set 12"w X 4"h Is The+ 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