4 Inch Backdraft Damper (male) – Inline Duct Connector – Round Plastic Check Valve for HVAC Exhaust & Ventilation Systems – One Way Airflow Vent Flap – Backflow Preventer with Gravity Flap
US$4.00
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US$4.00
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by biocentrica.mx
Free 30-day returns Details
Product details
| Management number | 250086346 | Release Date | 2026/09/17 | List Price | US$4.00 | Model Number | 250086346 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- COMPATIBILITY – Male fit coupler is designed for standard round ventilation ducts used in bathroom fans, inline extractor fans, hydroponics setups, and general air movement systems.
- DURABLE PLASTIC CONSTRUCTION – Air Duct Connector is made from lightweight, corrosion-resistant PVC that performs reliably in temperatures from 23°F to 140°F, making it suitable for everyday ventilation use.
- BUILT-IN BACKDRAFT PROTECTION – Designed to allow airflow in one direction only, helping prevent reverse air movement, drafts, and unwanted odors entering the duct system.
- QUIET & LOW-RESISTANCE OPERATION – Balanced lightweight flap opens easily under airflow and closes gently when the fan stops, maintaining smooth, efficient ventilation without mechanical noise.
- EASY INSERT INSTALLATION – Simple push-in design allows quick installation inside ducting without complex tools, suitable for residential and commercial ventilation setups.
| ASIN | B09M8TMPS2 |
|---|---|
| Size | 4 Inch |
| Color | White |
| Brand Name | LIRAST |
| Unit Count | 1 Count |
| Manufacturer | LIRAST |
| Model Number | KAK AV100 |
| Material Type | Plastic |
| Connector Type | Pipe connector |
| Exterior Finish | Plastic |
| Item Dimensions | 4 x 4 x 2.4 inches |
| Number of Pieces | 1 |
| Included Components | Pipe connector |
| Manufacturer Part Number | AV100 |
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