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: 261518cm/10.25.97.1inch Product Size: 17.2914.2cm/6.83.55.6inch Gross Weight: 4.3kg/9.48lbs Net Weight: 4kg/8.82lbs Package Included 1Vacuum Pump 1Air Filter 1Silencer.