Liberty Suction Pump. The Liberty Portable Suction Pumps are a new design, oil-free lubrication pump. These pumps have been specifically designed for absorbing thick liquid such as blood. Ideal in the treatment area, operating theatre or emergency area. Designed for 30 minutes continuous use with 20-30 minutes Off. Maximum flow of 18 litres per minute. Plugs into standard 240volt power. Lightweight and easy to carry. Pressure gauge and pressure regulating dial. Very quiet and easy to use. Supplied with suction cannula, antibacterial filter, suction hosing and 1ltr suction jar. Replacement accessories available. Suction Handpieces sold separately.