WHALE Easi Press Plug & Pipe Assembly complete with Filter. Exerior water connection with filterfor use with water systems featuring onboard pumps. Simple to install and compatible with Truma Ultraflow Sockets. Silverised Carbon Filter removes unpleasant tastes and smells, filters 3000L. Easy Installation, simply twist to replace. Handy Hose Holder to keep pump off the ground when refilling water. Unique Whale Easi-Press secure connection and release. Protective Plug Cover ensures seal is protected and prevents o rings from drying out when stored. Please note this is not a bacterial filter. Sold in singles or Outer Boxes x 10.