12" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length 2-Way This product can be used

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

actual front end outer dimensions are approximately 27

High Standard Quality - Every part is hand inspected for quality before it is packaged

electrical

12" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length 2-Way This product can be used+ 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