The red PumpMaster manual overpressure pump is ideal for pumping aqueous, non-aggressive to slightly alkaline liquids. Equipped with durable EPDM seals, it ensures safe and reliable transfer of these liquids. The PumpMaster range offers an easy solution for filling, transferring, and emptying canisters and drums. It comes with three universal plugs that fit container openings from 1.83 to 2.36 inches (46.5 to 60 mm), allowing quick and secure adaptation without exact thread specifications. Perfect for industrial, chemical processing, food production, and laboratory applications requiring safe, manual liquid handling and transfer.