10" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Compatible with Duct 8" It facilitates the efficient delivery

It facilitates the efficient delivery and removal of air

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 28" or 28" x 12" duct opening (measured at the opening)

+ Product Details Size - 30"w X 26"h is the size for the duct opening measurement only

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 12" X 6" X 6"

10" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Compatible with Duct 8" It facilitates the efficient delivery+ 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