About This Product
| 2021 Catalog Page: 90 | 
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| Max operating temp: 257°F | 
| Ideal for bath fan exhaust ventilation applications | 
| Constructed with multiple layers of aluminum/polyester material | 
| Galvanized helix wire construction for additional support | 
| Flexible design for easier installation | 
| Do not use for clothes dryer installations (UL 2158A duct must be used) | 
| Installation clamps sold separately | 
| 414 | 
| Length: | 4 x 25" | 
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