10" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length w12h12 High Quality – Extra Heavy

High Quality – Extra Heavy Duty to withstand constant walk on situations

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High Quality – high-quality steel with counter-sunk screw holes (screws included) and no sharp edges

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 30" OR 30" x 18" duct opening (measured at the opening)

10" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length w12h12 High Quality – Extra Heavy+ 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 6. 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