14" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length 18" Diameter + Product Details Size –

+ Product Details Size – 10" X 2" is the size for the duct opening (floor/vent hole) measurement only

The design eliminates noise and prevents louvers from vibrating

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actual front end outer dimensions are 11

14" Insulated Aluminum Flexible HVAC Duct R-8.0 – 25' Length 18" Diameter + Product Details Size –+ 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