The Thomas 1210 Series Diaphragm Liquid DC pump features the REFLEX valve (patent pending) design that provides a bubble-free liquid flow. The 1210 Series is perfect for diagnostic applications. Available in 12 and 24 VDC diaphragm models, this efficient, compact pump (2.0 x 0.9 x 1.4 in.) is able to handle a mixture of air and liquid, has a low sound level, and is lightweight (2.4 oz./68g). Maximum flow is 180 ml/min, with a maximum pressure of 80 m H2O and a maximum vacuum of 6 m H2O.