16" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Floor Grille text-align: center

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High Quality – High-quality rust-free

angle them down for effective warmth distribution

85" width X 21

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

16" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Floor Grille text-align: center+ 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