Description Bilge Pump (Rule) – 1100 GPH – 12 Volt – Submersible – ROUND AUTOMATIC BILGE PUMPS – Ignition protected. Double insulated long stack motor – Double strainer non-clogging protection – Compact, efficient and maintenance free – Runs 100° cooler – No burn-out when dry – Moisture tight PTFE seals – Silent running – No vibrations – Anti-airlock feature – Housing of heat resistant acetal resin – Heavy 5/16″ stainless steel shaft – Nylon/fiberglass impeller for strength