10" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Top Ceiling Box this robust access door ensures

this robust access door ensures security with its tumbler lock mechanism

Actual Filter Size – 23 3/4"w x 29 3/4" x 1"

Actual Filter Size – 23 3/4"w x 13 3/4" x 1"

plus { background-color: #5296DD

+ Product Details Size - 22"w X 26"h X 2"d (for duct opening measurement only)

10" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length Top Ceiling Box this robust access door ensures+ 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