
Three chamber Capacity: 2000mlThis Water Seal System is composed with Water Seal Chamber, Collection Chamber, Suction Control and Negative Pressure Indicator.Patent: Adjust suction control to desired level accurately.Release positive pressure automaticallyManual negativity relief valveRelieve high negative pressure by Regulator located on the top of chest drain in manual control.Negative Pressure indicatorEvaluate collection chamber and patients negative pressure in thorax in time.Special design avoids liquid flowing back to collection chamber when in a high negative pressure.CE Certified