*The portable phlegm suction unit is applicable to suck thick liquid such as pus-blood and phlegm under negative pressure. *Oil-free piston pump helps to keep from oil mist pollution. *Plastic panel makes it resistant from water erosion. *Overflow valve helps to prevent liquid from flowing into pump. *Negative pressure is adjustable according to requirements. *Small volume and light weight, easy to carry, especially suitable for emergency and doctors going their rounds outsides. *Max vacuum: ≥ 0.075MPa *Flow rate:GHM011026:≥15L/min /GHM011026plus:≥18L/min *Noise: ≤58dB(A) *Storage bottle: 1000mL*1
