WHALE Gulper pump 220 12V. WHALE Gulper 220 shower/black water drain pump. Supplier: Whale. Specially designed for pumping waste water, large single diaphragm, non-throttling valves, operationquiet, no filter needed ; self-priming up to 3 m. Can run dry and pump air-water mixtures, easy to install in tight spaces, double outlet valve ensures continuous flow.
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