5" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Adjustable Return positioning supply and return grills

positioning supply and return grills accordingly

font-size: 16px

4" X 10" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

+ Product Details Size – 6" x 6" is the size for the duct opening measurement only

Our coils have a very high PSI burst pressure

5" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Adjustable Return positioning supply and return grills+ 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