5" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length rg1010 this robust access door ensures

this robust access door ensures security with its tumbler lock mechanism

Ring Base Design – Allows for easy installation without removing the thermostat

+ Product Details Size – 14"w X 30"h is the size for the duct opening measurement only

+ Product Details Size & Compatibility – The size of sheet metal pipe is 8" round x 24" long

5" Insulated Aluminum Flexible HVAC Duct R-6.0 – 25' Length rg1010 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