4" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Height_12in + Product Details Size –

+ Product Details Size – 32"w X 6"h is the size for the duct opening measurement only

+ Product Details Size – 12" round duct sheet metal elbow - 30 gauge galvanized - crimped end connection - adjustable from 5° - 90°

+ Product Details Size - 32"w X 16"h X 2"d (for duct opening measurement only)

+ Product Details Size - 30"w X 25"h is the size for the duct opening measurement only

75"H – fits a 20" X 4" duct opening

4" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Height_12in + Product Details Size –+ 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