1. Any pumping, can be used alone or with two vacuum gauges 2. TMaterial of the central part of the body - stainless steel and special plastics. Capacity material - special antiseptic plastic. 3.Equipped with a special liquid silencer to reduce the friction noise of gas and liquid in water. The vacuum will be higher and more stable. 4. Corrosion resistance, no pollution, low noise, easy to move, and can add a vacuum control valve if needed. 5. The material of the water tank is special plastic, corrosion resistant to things with acetone, ether, chloroform and some other chemicals.
