Quietflex®
Quietflex® 640-50 40-50 Rip Stop Flex Duct With R 4.2 Insulation, 6" Dia, 50' L, 6000 fpm, Fiberglass
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The Quietflex® Rip-Stop Silver Jacket Flex Duct features a metallic polyester-vapor barrier with a special "rip-stop" scrim reinforcement.
Quietflex® Flex Duct, Rip Stop, Series: 40-50, 6 in Inside Dia, 50 ft Length, 6000 fpm, At or Below 0.05 perms Vapor Transmission, -1/2 to 10 in WC, -20 to 180 deg F Continuous/-20 to 200 deg F Intermittent, Fiberglass, Silver
- 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
- Diameter6 inFlow Rate6000 fpmLength50 ftMaterialFiberglassFinishSilverManufacturerQuietflex ManufacturingManufacturer #640-50Series40-50TypeRip StopVapor TransmissionAt or Below 0.05 perms