10" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length w12h12 helping to maintain consistent temperature

helping to maintain consistent temperature settings

as well as potential damage from wildlife

actual front end outer dimensions are approximately 18 5/8" width X 26 5/8" height

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+ 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 helping to maintain consistent temperature+ 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