Description:  DC 12V 50Kpa Micro Vacuum Pump Pumping Air pump Air Sampling Liquid Pump  Specification:    Rated voltage: 12V   power: 7W   Current rating: <500mA   Degree of vacuum: 50KPA   pressure: gas 100Kpa   liquid: 300kpa   Flow: gas 3.2 LPM   liquid 320LPM   Noise: <55 dB   Applications: widely used in instruments and equipment， medicine and chemical industry， home appliances and other fields.             Package Included:      1x DC12V DC Micro Vacuum Pump     Details pictures: