16" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Brazing Solder Rods + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 34" OR 34" x 30" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 36" OR 36" X 14" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 14" OR 14" x 26" duct opening (measured at the opening)

+ Product Details Size - 30"w X 14"h X 2"d (for duct opening measurement only)

16" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Brazing Solder Rods + Product Details Perfect Fit+ 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