Rule Submersible Bilge Pumps have set the standard for the industry for quality, and the Rule 2000 is the best selling high capacity submersible bilge pump in the world. Designed with a silent, vibrationless 12V motor that will not burn out when it is run dry. This bilge pump is totally submersible with moisture-tight teflon seals, anti-airlock protection, stainless steel shafts, and protected ignition. Gas resistant strainer base. 1-1/8" hose outlet.