10" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Color_Gray actual front end outer dimensions

actual front end outer dimensions are approximately 20 5/8" width X 18 5/8" height

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Actual Filter Size – 33 3/4"w x 13 3/4" x 1"

Design – Heavier gauge than needed

along with a wall cover for added convenience

10" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Color_Gray actual front end outer dimensions+ 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