Ignition protected, submersible, double insulated motor runs cooler and can run dry. Double strainer non-clogging protection. Compact, efficient and maintenance free. Moisture tight PTFE seals. Silent running, vibrationless w/anti-airlock feature. Heat resistant housing with a 5/16" stainless shaft and a nylon/fiberglass impeller. GPH 500 Hose 3/4" Volts 12 Amps 1.9