... universities Specifications:1.Material:Aluminum.2. Power: 150W3.Pumping speed:2.3/3.9CFM. 4.Warranty:1 year. ... 5.Minimum order:10 set. Application:VP Series vacuum pump is compact, light and attractive in design. It ... is applicable to vacuum packaging, vacuum freezThis kind of pump is widely used in food packaging, scientific research, ... , printing mechanism and other vacuum evacuations. Vacuum Pump