125mm Quiet Air Extractor 16W Energy Efficient Mixed Flow Duct Fan for Bath, Vents, Greenhouses, Tents Size and Style Specification: Inner Diameter 115mm, Outer Diameter 129mm , width 88mm 【Description】 The latest generation of axial exhaust fans are based on the most advanced technology, with a modern design, low noise and large air volume.</ p>【Uses】Our exhaust fans can be used in bathrooms, showers, kitchens, toilets, cabins, greenhouses, grow tents, laundry rooms, technical rooms, basements, garages... Our tube duct exhaust fans effectively remove odors, smoke and purify indoor air. 【Material】The extractor is made of high quality ABS plastic, which is durable and strong to UV. To extend the life of the fans, our fans are equipped with ball bearings and premium rust-proof copper motors. 【Features】Fan flow rate is 130m³/h, low consumption power consumption 16 W, frequency 50/60 Hz, voltage 220 V, low noise 34 dB (laboratory condition at 3 meters) and low sound power consumption. The fan is suitable for ventilation ducts with a diameter of 125mm. 【Wide Use】Increase airflow in HVAC systems to remove exhaust gases and odors from bathrooms , shops, basements, attics, grow tents, etc. 【Multiple advantages】Special fan motor, high quality rust-proof copper material and ABS shell, smooth operation , built-in temperature protection, automatic shutdown of overheating, more safety. 【Installation】The fan can be installed on a horizontal or vertical plane, installed between 2 ducts, connected in the middle or at both ends of the duct, or installed on the wall to form your own air circulation system. Do not use one-way ventilation in an enclosed environment.