Whale Watermaster pump assembly with Easi-Press Plug. Compatible with Truma Ultraflow Compact and Ultraflow Filter Housings. High quality dust cover holds shape over time and prevents debris entering water container. Extra flexible hose. Kink resistant for extra compact storage. Protective plug cover ensures seal is covered when stored. Protected electrics. Separate electric and water channels. Unique Easi-Press Plug connector. Whale High Flow pump. Proven pump design.