... CE,UL 4.Use:Refrigeration returning Dual Stage Vacuum Pump VP280(8CFM-9CFM)1.Uses: used as a ... cast aluminum,not pig iron, easy to carry;5.Pump Color: green,blue, black for your reference. OEM ... also available;6.Our strength: We have our own factory, so we could offer high quality products with ... valve(1751) and vacuum gauge (1765) use for pump.3)According to differnt voltages in different countries and ...