6" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length 18" Diameter and waste gases transmission lines

and waste gases transmission lines

Plain Ends - Gives you the freedom to cut and flare at your own project needs

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actual front end outer dimensions are approximately 13

6" Insulated Aluminum Flexible HVAC Duct R-4.2 – 25' Length 18" Diameter and waste gases transmission lines+ 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