4" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Color_Aluminum R value rating of insulation

R value rating of insulation - r3

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Powder-Coat Finish - Smooth

+ Product Description Introducing our 24" Wooden Corner Baseboard Grille - a sophisticated addition to elevate your HVAC system and interior decor

4" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Color_Aluminum R value rating of insulation+ 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 8. 0 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