Lightweight Portable Suction Machine is a newly designed for oil-free lubrication pump, so that the environment from oil mist pollution. It is specially designed for absorbing thick liquid such as blood, phlegm etc. it is not only used as aspirator in operation room, emergency room, but also at home as health care product. Features: 1. High negative pressure, large flux, low noise. It is a brand new mechanism design with suction bottle hidden inside and square negative pressure meter crust completely made of plastic. This design not only reduces the working noise but also makes it more fashionable and precise. 2. It adopts advanced overflow-protection design, which can prevent pus and mucus from leaking into the machine. 3. Portable, lightweight, and easy to carry especially suitable for emergency and outside use.