DC Ventilation fan / Filter adopts a state-of-the-art DC motor technique, provides high air flow for large space, but with ultra-silent sound quality and a super energy-saving, ecological design. Besides, its simple and fashionable ID design creates an amazing product experience. The stylish and functional ventilator fully meets the requirement for an energy-saving household and commercial appliance. 1. Easy to open thanks to a magnetic button. 2. Easy to clean and maintain due to its filter design. 3. Fashionable and clear panel due to lateral suction design. 4. Ultra-high air flow with 250 m³/h. 5. Energy saving up to 60% (compared to AC motor). 6. Waterproof IPX5. 7. Fireproof 94V-0.