7" Inch Aluminum Hose Flexible Air Duct Pipe for HVAC Flex Ductwork - 10' Feet Long Insulated Flexible Ducts R-6.0 + Product Details Size –

+ Product Details Size – 14" x 28" or 28" x 14" is the size for the duct opening measurement only

+ Product Details Durable Construction – Made from galvanized steel for long-lasting use and strength in HVAC applications

High Quality Copper Coil Meets/Beats ASTM B280 Standard for Air Conditioning and Refrigeration (Made From C12200 - 99

+ Product Description Enhance your HVAC system's efficiency and your home's aesthetics with our premium aluminum air vent diffuser

7" Inch Aluminum Hose Flexible Air Duct Pipe for HVAC Flex Ductwork - 10' Feet Long Insulated Flexible Ducts R-6.0 + Product Details Size –+ Product Details High Quality Aluminum housing on the outside and on the inside for the best insulation value 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 metallized polyester jacket tear and puncture resistant Carefully Shrink Wrapped With