6" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Copper Coil-Insulated Line Set is fireproof and ensures efficient

is fireproof and ensures efficient thermal performance

+ Product Details Size – 14"w X 2"h is the size for the duct opening measurement only

if your hole is 20" wide by 14" tall

7/8” - 3397 PSI

6" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Copper Coil-Insulated Line Set is fireproof and ensures efficient+ 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 4. 2 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