6" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Floor Grille Toe Space + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 26" or 26" x 8" duct opening (measured at the opening)

+ Product Details Size – 8"w X 28"h is the size for the duct opening measurement only

Superior quality silver solder brazing metal rods used to join dissimilar metals for various commercial and residential applications such as refrigeration

+ Product Details Size - 24"w X 18"h is the size for the duct opening measurement only

6" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Floor Grille Toe Space + 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