PumpAll is said to be a durable, long-lasting, hand-pressurized pump for dispensing liquid chemicals used in metal finishing and associated operations. It is designed to fit all common containers from 1-50 gallons and can be used on both internal and external threaded openings. Just pump the plunger to pressurize the container and press the tap to dispense a precise volume of liquid or leave the tap open for continuous flow at up to 4.5 gallons per minute. The pump is said to eliminate costly leaks and spills, reduce labor and risk, is safe to operate and simple to use. To withstand aggressive chemicals, the pump is fabricated from polypropylene and the seals are available in viton or EPDM.