Overload protection to keep the motor from over-heating. Thermoplastic housing will not rust or corrode. Brass hose adapter for long life. Stainless steel screen prevents debris from clogging the pump, and is easily removed for cleaning. Bottom suction design removes water to within 1/8" of surface. 3/4" discharge connects easily to garden hose. UL Listed. Pumps up to 1050 gph at0'.