Extremely rapid removal of air. One liter of air is evacuated to 28 inches of vacuum in 30 seconds with water pressure of 60 pounds. Possibility of rusting is eliminated due to brass construction. Held to close tolerances in production.

A hardened bronze ball valve is carefully seated in the suction tube to prevent water or air from backing up when the water is shut off or its pressure is reduced. Pump’s upper body is hexagonal for convenience in tightening to the faucet (by means of a wrench). Length overall is 5.5”. Attachment nipple has a 3/8” I.P.S. male thread for attaching to a faucet.