Goudergo 5Pa Single-Stage Electric Powered Lab Vacuum Pumps with Lithium Battery,80W 2.5CFM 20V Lithium Battery DC Inverter Oil Free Oilless Medical Pump for Air Conditioning and Refrigeration

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🌈 【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 pollution and provide you with safer operation. 🌈【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. 🌈【Pure-copper Motor】This single-stage vacuum pump uses a pure copper motor, which is characterized by low power, low noise, and high energy efficiency. It provides a long-term, stable and efficient operation for the vacuum pump and a quiet working environment for you. 🌈【Convenient to Use】 Its simple oil-filling port and one-button switch enable you to get started quickly. The design of the visual oil window also allows you to check the oil volume and quality at any time. In addition, its battery also has an indicator light to provide you with battery allowance observation. 🌈【High-efficiency Heat Dissipation】 Its aluminum shell with good heat dissipation and the heat dissipation holes on its body make it have a good heat dissipation effect and prolong its service life. 🌈【High Portability】Its proper size（32.3*9*17.6cm/ 12.7*3.5*6.9in） and weight（3.5kg/ 7.72lbs）, as well as its advantages of not being constrained by wires, make it a portable vacuum pump that can work for you anytime and anywhere.