The Whale Gulper 220 is a purpose designed bilge and shower drain pump. Specially designed to pump waste water, up to 14 litres per minute. It features: Large Single Diaphragm Virtually unblockable valves Quiet Running No filter required Self-priming up to 3 metres Will run dry without damage & pump a mixture of air and water Easy to install in confined spaces Double outlet valve ensuring continuous flow Multi directional head Can be mounted almost anywhere Low power consumption