7" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Hi-Lo Oval Stack Head Actual Filter Size – 11

Actual Filter Size – 11 3/4"w x 13 3/4" x 1"

with actual outer dimensions of 26

Strongest Magnets – Our anisotropic magnetic vent covers provide the strongest magnetization and seal to your register grilles

+ Product Details Size – 34"w X 34"h is the size for the duct opening measurement only

7" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Hi-Lo Oval Stack Head Actual Filter Size – 11+ 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