Gulper valve technoloogy handles shower waste such as hair and gel No clog, no filter wast e pump built on more than a decade of market leading pump technology Up to 14 ltrs (3.7 US gals) per minute Will run dry without damage and pump a mixture of air and water Specially designed to pump waste water Large single diaphragm Virtually non-choke valves No filter required Self-priming up to 3 m (10 ft) Easy to install in confined spaces Double outlet valve ensuring continuous flow Multi directional head Can be mounted almost anywhere Low power consumption Please note: Gulper® 220 is not suitable for pumping diesel. For this application please contact Whale for information. Gulper 220- Grey Waste Pump 12 V d.c. (FOR USE WITH A GREY WASTE TANK)