Technical features: 305 m³/h flow, consumption: 29, frequency 60 Hz, voltage 220-240 V, rotation speed is only 40 dBA.Low noise and low powerful ✅ The motor is equipped with ball bearings for long life and fan mounting at any angle. The bearings are maintenance-free and contain enough grease for the entire operating life.Silent motor mounted on silent blocks and equipped with ball bearings. Silent extractor for extracting moisture or odors in framed or interposed on short duct. Very easy to apply. ✅ For ventilation of bathrooms, showers, kitchens, toilets, garages, cellars, sheds, tropical greenhouses, grow tents, cellar, laundry room, technical room and other utility spaces. ✅ Extractor including 3m power cable. The housing and wheel are made of high quality, durable ABS plastic, UV resistant. The intellectual design of the turbine makes the fan efficiency high and long service life. IP X4 protection rating. The fan can be mounted on a horizontal or vertical flat surface. ✅This permanent duct fan, installed between 2 ducts, allows you to constantly renew the indoor air of one or more rooms. For example, you can safely install an extraction outlet above a bath or in the shower as well as this interspersed aerator. It acts against the permanent formation of moisture or odours. ✅ This tubular duct aerator effectively eliminates odours, smoke and purifies the air inside. This fan is suitable for 150 mm diameter ventilation pipes. Comes with instructions for installation and 3 m power cable.