20W 4Inch Inline Duct Booster Fan Exhaust Blower Air Ventilation Fan Vent

Specification: Name: High Speed Exhaust Fan Model:927938 Shell Material: Iron Color:White Rated power: 20W Voltage: 220V Frequency: 50Hz Size:13.5x13.5x8cm/5.3"x5.3"x3.1" Rotating speed:2800r/m Features: * High quality iron material, hard to deformation and with long service life. * Surface baking varnish technology, more attractive, and not rusty. * Seven blades, stronger suction, enhance ventilation pressure * Ultra-quiet copper motor,powerful,effective cooling,fast speed and ultra-quiet. * With anti-backflow vent,windproof and rainproof. * Suitable for office, living room, toilet, kitchen, room. Package include: 1 x Ventilation fans