Quietflex® 51 Series R-4 Manufactured Housing (Mobile Home) Flexible Air Duct
The Quietflex® Mobile Home Flex Duct has an extra heavy-duty, UV-Inhibited, polyethylene-vapor barrier and complies with HUD standards for outdoor use with mobile homes.
Product Features:
- Johns Manville Formaldehyde-free™ fiber glass insulation
- Greenguard® Certified insulated products
- Galvanized metal core reinforcing
- Oversized core to fit on collars and register boxes
- HUD /FHA standards 515.2.1, Paragraph B
- NFPA standards 90A and 90B
- BOCA, City of Chicago, meets most federal, state and local codes and standards
- ETL Listed/Approved to UL 181
Quietflex 1251 | |
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Rated Positive Pressure | 10" W.C. per UL 181 |
Rated Negative Pressure | ½" W.C. per UL 181 |
Velocity | 6000 FPM |
Flame Spread / Smoke Developed | Less than 25 / Less than 50 |
Temperature Range - Intermittent | -20°F to 200°F |
Temperature Range - Continuous | -20°F to 180°F |