model YB.DX-98-1 intends for suction operations for early pregnant woman's induced abortions and for other operation's suctions or general operation's suctions in every levels of hospitals . Features: 1.Equipped with large volume diaphragm vacuum pump to insure high negative pressure,the timing braking off system producing double level negative pressure ,two vacuum meters inspecting the negative pressure of the both air storage bottle and patient. 2.Safety valve can prevent positive pressure from occurring and the air filter unit can decrease the contamination of environment caused by the suction material's bacteria. 3.New style and higher durability .On the top, equipped with an operating tray which is convenient for the operations. Specifications: max vacuum:≥0.093MPa suction flow rate : ≥30L/min storage liquid bottle:1000 ml?2 storage air can:5000 ml?1 power:220v±10%,50Hz GW:24kg dimension:44.5cm?39cm?76cm