Thomas 1210 Series PumpThe Thomas 1210 Series Diaphragm Liquid DC pump features the REFLEX valve (patent pending) design that provides a bubble-free liquid flow. This series is a good fit for fuel cell, inkjet and diagnostic applications. Available in 12V and 24V DC diaphragm models, this compact pump (2.0 inches x 0.9 inches x 1.4 inches) 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 60 m H2O. The pump is now available with EPDM and Viton diaphragms/valves.