8" Inch Aluminum Hose Flexible Air Duct Pipe for HVAC Flex Ductwork - 25' Feet Long Black Looks like it was just

Looks like it was just waxed

North America's hub for top-quality HVAC solutions

actual front end outer dimensions are approximately 15

Heavy Gauge Steel

All steel wire is applied between PET surfaces to prevent corrosion (oxidization)

8" Inch Aluminum Hose Flexible Air Duct Pipe for HVAC Flex Ductwork - 25' Feet Long Black Looks like it was just+ 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