16" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Brown + Product Details Size -

+ Product Details Size - 30"w X 8"h is the size for the duct opening measurement only

+ Product Details Size – 18"w X 18"h is the size for the duct opening measurement only

actual front end outer dimensions are 15

actual front end outer dimensions are approximately 8

Installation is hassle-free

16" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Brown + 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 8. 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