About This Item
- Reduces Or Increases In Steps From Of 3, 4, 5, Or 6 Inch // 80/100/120/125/150 Mm
- Made Of Rust Free Durable Abs Plastic
- Can Be Used With Hvac Systems: Bathroom Extractor Fans, Inline Ventilators, Cooker Hoods, Tumble Dryers, Hydroponics, Kitchens, Etc
- Fits Perfectly With Other Vent Systems Hvac Products
- Fast And Easy To Install
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