100mm Check Valve Exhaust Fan 20W 130m³/h High Airflow for Kitchen Bathroom Greenhouse Ventilation Fast and efficient ventilationHigh airflow 130 m/h The bathroom fan motor is equipped with ball bearings, and with an intelligent impeller design, the fan has high ventilation efficiency, The shell is made of high quality durable ABS plastic, which is not easy to deform and durable, which perfectly solves the problem of bad smell and mildew in the room.<br> Easy to installThe fan is easy to install and maintain, can be installed horizontally or vertically on a flat surface, and is suitable for ducts with a diameter of 100mm. Independent European socket switch, easy to use without wiring. Comes with application instructions and 1.5m cable<br> Double protection is safermotor at low operating temperature and low heat generation, and has built-in temperature protection device. The wire core is thick, the resistance is low, the calorific value is low, and the use is safer. It is also equipped with a non-return valve to prevent insects from flying into the house, preventing the return of cold or humid outside air.<br> Quiet OperationExhaust fan uses high quality ball bearing motor, 7 square blades, and has the characteristics of quiet operation (30dB) and long service life. Flow rate 130 m/h, consumption: 20W, frequency: 50Hz, voltage 220-240VSpeed: 2200r/min<br> Wide range of uses100mm air extractor is compatible with a variety of decoration styles, providing you with a comfortable and healthy environment, widely used in the ventilation of bathrooms, kitchens, toilets, garages, basements, grow tents, laundry room. bedrooms and other common areas, effectively remove odors, smoke and purify indoor air.