4" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Color_R-4.2 Yellow crafted from 99

crafted from 99

We are proud to have served over 5

Tough reinforced metallized polyester jacket - tear and puncture resistant

Insulation density is 30kgs/cbm = 0

4" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Color_R-4.2 Yellow crafted from 99+ 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