12" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Insulated Line Set this piece is the perfect

this piece is the perfect touch of class you need to add to your decor

actual front end outer dimensions are approximately 21

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How To Measure A Grille

12" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length Insulated Line Set this piece is the perfect+ 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