7" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Material_Aluminum Designed to last up to

Designed to last up to three months depending

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 14" OR 14" x 22" duct opening (measured at the opening)

actual front end outer dimensions are approximately 12 5/8" width X 36 5/8" height

Chemical Composition: 6% Silver - 5% Phosphorus - 80% Copper - Brazing Temperature: Solidus Temperature: 1190°F - Liquidus Temperature: 1460°F

14" Diameter Is The Size For The Duct Opening Measurement Only

7" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Material_Aluminum Designed to last up to+ 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