18" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length 18in diameter Solid Rigid Steel Body For

Solid Rigid Steel Body For Durability and Reliability

85" width X 9

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The Contempo slotted Grate

18" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length 18in diameter Solid Rigid Steel Body For+ 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