12" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length 2-Way actual front end outer dimensions

actual front end outer dimensions are approximately 27

electrical

This product can be used for venting most types of heating units

+ Product Details Size – 8"w X 12"h is the size for the duct opening measurement only

12" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length 2-Way actual front end outer dimensions+ 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 6. 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