420C 20 Series UV-Inhibited Flex Duct With R 4.2 Insulation, 4 in Dia, 25 ft L, 6000 fpm, Fiberglass
QFX420C
MFG #: 420C
- Diameter: 4 in
- Flow Rate: 6000 fpm
- Material: Fiberglass
- Finish: Black
- Length: 25 ft
- Manufacturer: Quietflex Manufacturing
- Manufacturer #: 420C
- Series: 20 Series
- Temperature Rating: 200 degF
- Type: UV-Inhibited
- Vapor Transmission: At or Below 0.11 perms
- Features
- Johns Manville Formaldehyde-free™ fiber glass insulation
- GREENGUARD® certified
- Galvanized or bronze metal core reinforcing
- Oversized core to fit on collars and register boxes
- Weather-resistant packaging