8" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Powder-Coated Total outer size of this

Total outer size of this grille is

Suitable for all AC applications

you can watch this informative video tutorial: How to Measure Your Vent Hole Before Ordering a Grille

and a polished

8" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length Powder-Coated Total outer size of this+ 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 8. 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