HVAC Inline Fan Vent Deflector - One-Way Airflow Ducting Insert Backflow Preventer by Hon&Guan
Product details
| Management number | 213617064 | Release Date | 2026/04/12 | List Price | $36.00 | Model Number | 213617064 | ||
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【Construction】This 4-inch backdraft damper features Galvanized steel flap leaves, aluminum axes, and carbon steel springs.【Installation】For optimal performance, position the spring horizontally during horizontal installations.【Versatility】Suitable for both flexible and rigid ventilation ducts, it's designed for range hoods, bathroom fans, kitchen, and other home HVAC systems.【Operation】Lightweight valve wings open under airflow pressure and close automatically when air flows in the opposite direction, preventing backflow.【Backdraft Shutter】Hon&Guan's Draft Blocker enhances ventilation by preventing air recirculation when fans are off, with a rubber ring ensuring 100% closure and quiet operation.
- Construction: Galvanized steel damper and flap, aluminum axis, carbon steel spring
- Installation: Position spring horizontally for optimal opening and closing in horizontal installations
- Versatile Use: Suitable for flexible or non-flexible ventilation ducts, ideal for range hoods, bathroom fans, and home HVAC systems
- Efficient Airflow: Lightweight valve wings open under airflow pressure and close automatically to prevent backflow
- Backdraft Prevention: HonGuan Draft Blocker enhances ventilation by stopping air recirculation when fans are off, with a rubber ring ensuring 100% closure and quiet operation
| Size | 4 Inch |
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| Color | Silver, Grey |
| Brand Name | Hon&Guan |
| Thread Size | 6 Inch |
| Manufacturer | Hon&Guan |
| Material Type | Alloy Steel, Aluminum, Carbon Steel |
| Exterior Finish | Galvanized Steel |
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