Features:Pure Copper Coil, Higher Power And Longer Service Time; Double Ball Bearings, Strong Power; Cold Rolled Stator Steel Plate Has Good Magnetic Conductivity And Faster Running Speed.The Guide Air Ring Is Combined With Aerodynamics, So That The Exhaust Is Stronger, The Speed Is Higher, The High-Speed Operation Is Not Deformed, And The Air Flow Is Smooth.Ip2X Waterproof Grade Ensures That The Machine Maintains Good Performance In Humid Environment.Split Design, Removable And Washable, Easy To Install And Clean.Specifications:Voltage:110V/60HzColor:BlackMaterial :Moisture And Oil Resistant Pp MaterialPower: 40WCurrent: 0.18ASpeed: 2550r/MinWind Pressure:200paCaliber: 96mmAir Volume:310m³/hNoise : 30dbWaterproof: Ip2XProduct Size:Approx.28.8*9.6*17.5cmPacking Size:31*13*21cmNet Weight:1.8kgGross Weight:2.1kgAdvantages:Large Air Volume, Pure Copper Motor, Double Ball Bearing, Diagonal Flow Pressurization, Moisture And Oil Resistant Pp MaterialApplicable Space: Kitchen, Bathroom, Hot Pot Shop, Barbecue ShopPacking List:1x 4-Inch Round Duct Fan 1x Instructions4x Screws