6" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Compatible with Duct 10" + Product Details Size –

+ Product Details Size – 36"w X 34"h is the size for the duct opening measurement only

+ Product Details Size – 14"w X 22"h is the size for the duct opening measurement only

+ Product Description The Deep Blank Box is crafted from high-quality galvanized steel and proudly Made in the USA

+ Product Details Size - The listed 8" diameter refers specifically to the size of the duct opening

The total outer size of this grille is the listed size plus 3"

6" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Compatible with Duct 10" + 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