100mm Air Extractor Fan, 7W 221 m³/h Ventilation Air Extractor with Variable Speed ​​Controller, Humidity Extractor for Cellars, Garages, Grow Tents

【Energy-Efficient Ventilation】This powerful air extractor fan, with a speed of 4500 RPM, can generate an airflow of 221 m³/h, while consuming only 7W of power. Its improved EC motor and low noise level efficiently circulate air, quickly moving a large volume to remove odors. 【Easy Installation】The 100mm fan blades and housing are made of high-quality plastic, making it drop-resistant, shatterproof, and resistant to deformation, thus facilitating easy disassembly and maintenance. 【Wide Application】The 100mm exhaust air extractor fan features a compact design and is suitable for various environments, such as greenhouses, garages, basements, kitchens, and laundry rooms, effectively improving ventilation and air quality. 【Adjustable Controller】The exhaust fan is equipped with an adjustable speed controller, allowing the user to flexibly adjust the wind speed to meet the needs of different scenarios and provide a personalized ventilation experience. 【Quiet Operation】Minimal noise of 26 dB; different speeds have different noise levels, with higher speeds resulting in louder noise.