Whale Gulper 220 Grey Waste Pump 24V [BP1554]Gulper 220 Grey Waste Pump 24V Gulper valve technoloogy handles shower waste such as hair and gel. No clog, no filter waste pump built on more than a decade of market leading pump technology. Features 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