It is applicable to absorbing phlegm or liquid due to disease, obfuscation, surgical operation .It can be used  at emergency room, operating room, ambulance, first-aid center, sickroom serving as guardian and family nursing.

Specification:
Max free air flow rate: 20L/min
Max.Vacuum: 0.8bar/600mmHg
Power consumption: ≤120VA
Display usage:vacuum meter with  LCD display
Power source: AC220V±10%, DC12V car battery, DC12V battery
Noise: ≤55db(A)
Collection bottle: 1L (Disposable Bag, Collection Jar Optional)
Battery charge/discharge time: 3h/60min
Weight: 4.9kg
Dimensions: 360*180*290mm

Feature:
High vacuum, high flow, oil free vacuum pump,
Antibacterial filter,
Anti-overflow Protection Device,
Lower noise, stepless vacuum adjustment,
Multi-function Deployment Optional,
Three power supply modes :DC battery/DC car battery/AC.