18" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Grille How to Measure Your Vent

How to Measure Your Vent Hole Before Ordering a Grille

75" width X 11

Our grilles feature a durable powder-coat finish

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+ Product Details Size - 26"w X 12"h is the size for the duct opening measurement only

18" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Grille How to Measure Your Vent+ 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