- The Quietflex Rip-Stop Silver Jacket Flex Duct features a metallic polyester-vapor barrier with a special "rip-stop" scrim reinforcement
- Johns manville formaldehyde-free fiberglass insulation
- Galvanized or bronze metal core reinforcing
- Oversized core to fit on collars and register boxes
- Up to 10 in bags are strapped to form a pair
The Quietflex Rip-Stop Silver Jacket Flex Duct Features A Metallic Polyester-Vapor Barrier With A Special "Rip-Stop" Scrim Reinforcement.