4/6 Inch Exhaust Fan Bathroom Kitchen Ventilation Pipe Duct Fan Toilet Wall Extractor Air Ventilator With Check Valve ,Easy to Use

1. Highquality bearings and pure copper coils have the characteristics of low noise, long life and high efficiency. 2. Highquality motor, strong performance, pure copper coil, slow heating, fast speed, smooth and smooth, and more power saving. 3. The supercharged one-piece 7-blades design adopts the guide ring wind ring, combined with fluid dynamics, the air volume is larger and the air exchange efficiency is faster. 4. IPX2 waterproof rating, the host can run stably in humid and harsh environments, suitable for a variety of scenarios, such as kitchens, bathrooms, etc. 5. With a check valve design, it can effectively block dust, cotton wool from flying insects, rain, etc., and prevent air from flowing back when exhausting.