8" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Color_Aluminum 5" - SEE BELOW IN

5" - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE

heat pump and centralized air ducted units

actual front end outer dimensions are approximately 3

Crafted with a solid steel body

Carefully Shrink Wrapped – With cardboard backing to prevent damage in shipment

8" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Color_Aluminum 5" - SEE BELOW IN+ 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