7" Inch Aluminum Hose Flexible Air Duct Pipe for HVAC Flex Ductwork - 25' Feet Long Powder-Coat European: EN 10270-1-SM

European: EN 10270-1-SM

much more than required 700 PSI for R410

Conveniently taped together as a single piece

It has an outer surface made of high-quality aluminum foil and an inner surface made of metalized PET with inside high-tensile spring steel wire

provides a modern look and quiet operation due to its half-inch by half-inch cube design

7" Inch Aluminum Hose Flexible Air Duct Pipe for HVAC Flex Ductwork - 25' Feet Long Powder-Coat European: EN 10270-1-SM+ 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