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🚀 Stop drafts, start comfort — your ventilation’s new MVP!
The Vent Systems 150 mm Backdraft Damper Stopper is a precision-engineered, male-fit plastic insert designed to prevent backflow and cold air intrusion in ventilation ducts. Compatible with standard 150mm round ductwork, it features an automatic shutter that ensures one-way airflow, enhancing energy efficiency and indoor air quality. Made from durable, temperature-resistant, and eco-friendly plastic, it fits a wide range of applications including dryer vents, extractor fans, and cooker hoods, offering a quick, tool-free installation solution favored by professionals and DIY enthusiasts alike.







| 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
5 days ago
3 days ago