When it comes to spot & broadcast spraying, the Everflo 12V 5.5 GPM on-demand 12V diaphragm pump is the king of the hill. With premium components & cutting-edge engineering, Everflo provides the flow You need. This pump is loaded with features such as a Honeywell Micro switch, corrosion resistant Viton valves & Santoprene diaphragm & fiberglass-reinforced polypropylene pump manifold with quick attach ports. Other features include a silky-smooth valve design for faster primes & a unique pressure switch that slowly cycles the pump to reduce wear on the motor & switch. Save battery power with the automatic power switch that turns off pump when no flow is needed. Has standard mounting pattern to fit most sprayer tanks or other mount setups. Replacement 12V diaphragm pump for variety of makes & models. Can be used for other fluid transfer applications that require a pump. Handles up to a max of 60 PSI & self-primes up to 8'.