4" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length 4" Round Duct Pipe + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 22" OR 22" x 24" duct opening (measured at the opening)

Actual Filter Size – 15 3/4"w x 19 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 12" OR 12" x 32" duct opening (measured at the opening)

+ Product Details Size - 4"w X 34"h is the size for the duct opening measurement only

About this item:

4" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length 4" Round Duct Pipe + Product Details Perfect Fit+ 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