The 6350 Pulse Pump is a stainlesss steel corrosion resistant construction to handle various cleaning and sanitizing solutions without damage to the primary pump. Pressure can be easily adjusted from 500 to 3000 PSI. It mounts into one of the inlet valve ports of the primary pump and draws chemical into the pulse pump with each stroke of the primary pump. Ideal for contract cleaners sanitizing showers, locker rooms, veterinary kennels and other large sterile environment areas.