CHSOW 4 Inch Adjustable Speed Exhaust Fan - 220V Duct Fan for Window, Greenhouse, Farm & Indoor Ventilation | High Airflow Booster for Pipe, Grow Tent & HVAC Systems | Perfect for Home, Garden & Workshop Air Circulation

Product Description

Energy Saving: Built with cutting edge brushless electronically commutated Motor (EC) motor and dual jet type impeller, our new ECMF series fans deliver 350 Cubic Feet per Minute (CFM) of Airflow using only 18 Watts。Quiet & Speed adjustable: Using included speed controller ECMF series fans' speed can be adjusted from 0%-100% without creating any additional hum or background noise。Aluminum housing: Resists accidental damage, harsh elements and reduces maintenance in demanding applications such as ventilation of grow tents, gardens, farms, crawl spaces, attics, etc。Made of sturdy and durable material。IP 44 waterproof for long time use.Specification:Optional Type: 4inchWaterproof: IP44Rated voltage: 110~220VACWorking voltage: 100-264VACMaximum power: 18WMaximum current: 5100RPMMaximum air flow: 160CFM/275CMHMaximum wind pressure: 34mmH2o/333PaNoise: 0dBA-60dBAFan housing: Metal spray paintFan Blade Design: mixed-flowMotor design: Frequency conversion and energy savingUses: Suitable for industrial, home and garden ventilation applications for air purification and temperature control.Weight: Approx. 1607g / 56.7ozSize:4inch: 100mm / 3.94 inch(Approx.)Package Include: 1 x Ventilation Fan Note:Dear customer, Please rest assured to buy without worrying about theadaption. We will provide an adapter for you according to different country standard and ensure its normal use.1. As a result of manual measurement, please allow an error of 1-3cm.2. Due to the difference in light during shooting, the color of the picture is slightly different from the actual product.3. Except for the main products, the others are accessories and not for sale.