Chemical solution and slurry metering pumps designed, engineered, and built to last. The pump case is molded of a rugged, chemical resistant ABS. Mounting pads and a built-in wall mounting bracket allow a choice of flat surface or wall mounted installation. The thermal or impedance protected gear motor is safe, quiet and dependable. All metal gearing parts are heat-treated and the output shaft is supported by heavy-duty bearings. The feeder head is molded of UV and acid resistant polycarbonate and is designed to snap on and off without tools. A 10-minute solid-state electric current interrupter is a standard feature, built into every MEC-O-MATIC Dolphin Series pump.