Exhaust Fan, Silent Duct Fan

4''5''6''8'' Extractor Fan Low Noise Inline Duct Hydroponic Air Blower Exhaust Fan For Bathroom Room Ventilation Vent Specification - Purification and dust removal, quick ventilation. - With uk plug, flexible installation. - Walls/Windows suitable for ventilation in kitchen, bathroom, toilet, bedroom, living room and office. - Easy to install and clean. - Designed for indoor cultivation. - Comply with all building regulations for bathrooms, toilets and wet rooms. Features: ● Color: white ● Material :ABS(acrylonitrile - butadiene - styrene)+ steel ● Voltage :220 volts,50 Hz ● Plug :UK Plug  ● Power: 35W, 40W, 75W，130W ● Noise: 34-43 db ● Fan speed :2600 RPM ● Diameter :4 "(100mm), 5"(125mm), 6" (150mm), 8 "(200mm) ● Exhaust: 4" (220 m³/h), 5" (310 m³/h), 6" (540 m³/h), 8" (900 m³/h)