PORTABLE PHLEGM SUCTION UNIT AV-VAC-A/CMain Technical SpecificationsUltimate negative pressure value: ≥0.075MPaRegulating scope of negative pressure: 0.02MPa ultimate negative pressure valueAir exhausting speed:≥14L/minReservoir: ≥1000 mL, 1pcPower supply: AC220V/110V and 50/60HzInput power: 90VANoise: ≤65dB(A)Suction pump: piston pumpDimension: 335mm X 150mm X 240mm