The Everflo EF1000 12-volt diaphragm pump provides dependable performance for light-duty spraying and fluid transfer. Its on-demand pressure switch allows the pump to run only when needed, helping extend pump life and conserve battery power. Built with a Santoprene diaphragm, Viton check valves, and a reinforced polypropylene manifold, the EF1000 is designed to handle agricultural chemicals, fertilizers, and general-purpose fluids. The pump is self-priming up to 4 feet and installs easily using standard mounting holes and 3/8 in. hose connections. Designed for continuous operation without cool-down, the EF1000 is compatible with Countyline and many other 12-volt sprayers.