Key Features Strong Performance: This single-stage vacuum pump has a power of 80 watts and is designed with a great starting moment. It is not only easy to start and has high efficiency, but also can maintain its normal operation even at low ambient temperature and voltage. Safer Operation: It has an anti-oil backflow design and a five-layer oil mist collector, which can prevent oil backflow and separate waste gas from the oil mist filter device, reduce pol.