Because small quantity dispensing or controlled transferring of flammable liquids from 30 and 55 gallon drums is no easy task, this manually operated, stainless steel piston drum pump can help. It is FM approved and delivers up to 8 oz. per stroke, ideal for transferring flammable and combustible liquids in a controlled and safe manner. The pump can be used with up to 90 weight oil viscosity at 70F. Its body is constructed of stainless steel with PTFE seals, offering superior chemical resistance