Whale Gulper 220 Shower/black Water Drain Pump Gulper 220 closing ring and screws

Designed to pump waste water, fitted with large single diaphragm, non-choke valves, quiet operation, no strainer required. Self-priming up to 3 metres. It can run dry and pump a mixture of air and water. Easy to install in confined spaces, dual outlet valve for an even flow. 360° adjustable inlets, low current draw.