640C 40 Series Rip Stop Flex Duct With R 4.2 Insulation, 6 in Dia, 25 ft L, 6000 fpm, Fiberglass
QFX640C
MFG #: 640C
- Diameter: 6 in
- Flow Rate: 6000 fpm
- Material: Fiberglass
- Finish: Silver
- Length: 25 ft
- Manufacturer: Quietflex Manufacturing
- Manufacturer #: 640C
- Series: 40 Series
- Type: Rip Stop
- Vapor Transmission: At or Below 0.05 perms
- Features
- Johns Manville Formaldehyde-free™ fiber glass insulation
- GREENGUARD® certified insulated products
- Galvanized or bronze metal core reinforcing
- Oversized core to fit on collars and register boxes
- Weather-resistant packaging