18" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Copper Coil Its sleek contours bring a

Its sleek contours bring a touch of modern sophistication to any room

Carefully shrink wrapped with cardboard backing to prevent damage in shipment

+ Product Details Size – 3"w X 10"h or 10"w X 3"h is the size for the duct opening measurement only

R Value Rating of Insulation - R3

this flex duct decreases the pressure loss and provides a more hygienic environment

18" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Copper Coil Its sleek contours bring a+ 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