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

+ Product Details Size – 20"w X 12"h is the size for the duct opening measurement only

Extra Strong Frame - Our Frames Are The Strongest On The Market

The grille is specifically engineered for concealed

+ Product Details Size – 8"w X 14"h is the size for the duct opening measurement only

16" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Insulated Line + 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