Smoke Inline Extractor Fan 4/5/6 inch Quiet Ventilation Fan for Bathroom UK Plug

(4" - 100mm Extractor Fan：. 5" - 125mm Extractor Fan：. 6" - 150mm Extractor Fan：. Plug: British standard. 4)this Hon&Guan ventilation suits for HVAC, Bathroom, Greenhouse, Grow room and Tent and so on.