7" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Material_Aluminum Actual Filter Size – 31

Actual Filter Size – 31 3/4"w x 29 3/4" x 1"

actual front end outer dimensions are 26

+ Product Details Size – 8" x 10" or 10" x 8" is the size for the duct opening measurement only

With unbeatable airflow sealing capabilities

7" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Material_Aluminum Actual Filter Size – 31+ 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