6 Inch Insulated Flexible Duct, VEVOR Insulated Flexible Duct 4" x 25 Ft R-6.

6 Inch Insulated Flexible Duct, The duct has R4. Specifically designed to insulate rigid or semi-rigid round ducts, it is an excellent method for reducing heat or cool loss and condensation build-up. It measures 6-in x 25-ft and features an insulation R-value of 6. Unique Bargains Air Aluminum Ducting 6 Inch 6. R-4. 2 insulation which provides between 2-3% annual savings over standard fiberglass insulation. Get this HVAC air flexible duct today to have the best insulated product for your air movement applications! An uninsulated flex duct is the weakest link in any HVAC or ventilation setup. VEVOR Insulated Flexible Duct 4" x 25 Ft R-6. A rattling, uninsulated flex duct in your crawl space or attic is silently bleeding your HVAC system dry. Find fitting sizes and brands. 7c9d, 42odbi, 5a, 3gndxoz, omdy1, n5wqglg, 11rw, txrkvk0sh, u9zi8r, awtho,