Precision Valveless Dispensers & Metering Pumps featuring FMI''s patented CeramPump® design. One moving part, a rotating and reciprocating ceramic piston, accomplishes all fluid control functions without valves. Sapphire-hard ceramic internals are wear resistant, chemically inert & dimensionally stable. From 3 uL per dispense to 4 L/min continuous flow at 0.5% precision. Miniature OEM pumps for clinical chemistry & analytical instrumentation. Lab, process & programmable production models also.