14" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Color_White + How To Measure A

+ How To Measure A Grille Overall Size:

actual front end outer dimensions are approximately 5

+ Product Description When it's time to upgrade your HVAC Vents in your house

Elevate your living space with this sophisticated addition

If your hole is 14" wide by 20" tall

14" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Color_White + How To Measure A+ 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