Specification Model: Bst-v190s Material: Copper, Iron and Aluminum Color: Black Plug Type: Us Voltage: 110v, 60hz Power: 200w Vacuum Level: -90kpa Pumping Speed: ≥60 L/Min(2.12cfm) Noise: ≤48db Installation Screw: 4-M6 Rotational Speed：≥1450r/Min Package Size: 26*15*18cm/10.2*5.9*7.1inch Product Size: 17.2*9*14.2cm/6.8*3.5*5.6inch Gross Weight: 4.3kg/9.48lbs Net Weight: 4kg/8.82lbs Package Included 1*Vacuum Pump 1*Air Filter 1*Silencer Notes 1. Please Note That This Product Cannot Pump Liquids or Oil. If You Are Pumping Liquid, You Need to Install an Oil and Water Separator. 2. Please Allow the Slight Color Difference Caused by the Shooting Light and 1-3cm Error Due to Manual Measurement, and Make Sure You Do Not Mind Before You Place the Order.