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🚀 Stop backflow, start fresh airflow—vent smarter, live better!
This 150mm (6") Backdraft Damper Stopper is a durable, plastic one-way airflow insert designed to fit standard round ductwork. It automatically prevents backflow of cold air and odors with a smart shutter mechanism, ensuring efficient ventilation for dryers, extractor fans, and HVAC systems. Easy to install with a male-fit coupling, it offers temperature resistance from -20°C to +60°C and is made from eco-friendly, non-toxic materials.







| ASIN | B09PBMP424 |
| Best Sellers Rank | 44,179 in DIY & Tools ( See Top 100 in DIY & Tools ) 538 in Registers, Grilles & Vents |
| Brand | Vent Systems |
| Colour | White |
| Connector Type | Coupling |
| Connector type | Coupling |
| Country of Origin | Poland |
| Customer Reviews | 4.1 out of 5 stars 40 Reviews |
| Global Trade Identification Number | 04751037234222 |
| Included Components | Pipe Connector |
| Item Dimensions | 15.2 x 15.2 x 6.2 centimetres |
| Item Weight | 0.24 Pounds |
| Item dimensions L x W x H | 15.2 x 15.2 x 6.2 centimetres |
| Manufacturer | Vent Systems |
| Material | Plastic |
| Model Number | 6'' Inch Backdraft Damper |
| Number of Pieces | 1 |
| Size | 150 mm / 5.90" w/Backdraft Damper |
| Thread Type | NPT |
| Unit Count | 1.0 count |
K**B
Excellent
Exactly what was needed
S**S
Nice flap
All good
D**D
Just didn't work out for me
Returned it
Trustpilot
2 weeks ago
2 months ago