Description:This portable mini duct fans are able to move air through carbon filters, long stretches of ducting or grow light reflectors. Exchange stale air with fresh air to keep temperature or humidity under control and cool your reflector with this mini blower! It's also an excellent ventilation for home use. Safe and environmental friendly. High quality construction and materials make these fans last. Energy efficient & quiet operation. It can be installed in any location, such as bathrooms, attics, greenhouses, tents, etc.Features:The well-constructed balanced metal blades for long service life & quiet operation. Engineered for maximum boost with minimum noise. Energy efficient and very quiet. Helps boosting airflow to remove exhausts and odors. Remove exhaust ventilation from grow rooms, kitchens, bathrooms, workshops, basements, attics, etc. Portable, lightweight and can be installed anywhere. Solve air delivery problems without major system rework or expense. Specification:Condition: 100% Brand NewPlug Type: Chinese-standard Plug6 Inch4 InchMaterialIron, AluminumIron, PlasticModelZTFZTFPower37W18WSpeed2600R/MIN2600R/MINVoltage220V220VAir Volume408m/H170m/HTotal Pressure120Pa60PaNoise45dB40dBCaliber15cm / 5.91inch10cm / 3.94inchProduct Size(appr.)15 x 18.2cm / 5.91 x 7.16inch10.2 x 18.2cm / 4.01 x 7.16inchPackage Weight(appr.)1400g837gPackage Included:1 x Mini BlowerNote:1. Please allow 1-2 cm error due to manual measurement and make sure you do not mind before ordering.2. Please understand that colors may exist chromatic aberration as the different placement of pictures.