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🚀 Stop drafts, start comfort — your duct’s new best friend!
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 and secure installation solution for both residential and commercial use.







| ASIN | B09PBMP424 |
| Best Sellers Rank | 33,124 in DIY & Tools ( See Top 100 in DIY & Tools ) 204 in Registers, Grilles & Vents |
| Brand | Vent Systems |
| Colour | White |
| Connector Type | Coupling |
| Country of Origin | Poland |
| Customer Reviews | 4.0 4.0 out of 5 stars (44) |
| Global Trade Identification Number | 04751037234222 |
| Included Components | Pipe Connector |
| Item Dimensions | 15.2 x 15.2 x 6.2 centimetres |
| Item Weight | 109 g |
| Manufacturer | Vent Systems |
| Material | Plastic |
| Model Number | 6'' Inch Backdraft Damper |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Size | 150 mm / 5.90" w/Backdraft Damper |
| Thread Type | NPT |
| Unit Count | 1.0 count |
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