16" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Oval to Round 90-Degree Boot + Product Details Size -

+ Product Details Size - 28"w X 24"h X 2"d (for duct opening measurement only)

+ Product Details Size – 26"w X 28"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 20"h is the size for the duct opening measurement only

+ Product Details Size – 14" round duct sheet metal elbow - 30 gauge galvanized - crimped end connection - adjustable from 5° - 90°

actual front end outer dimensions are approximately 20 5/8" width X 22 5/8" height

16" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Oval to Round 90-Degree Boot + 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