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 install in confined spaces. Double outlet valve ensuring continuous flow. Multi directional head. Can be mounted almost anywhere. Low power consumption. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.