A medium-size mobile cold water high pressure washer unit. The POSEIDON 4-28XT is a robust and durable addition to Nilfisk’s low mid range line of cold water pressure washers. Ideal for small and medium sized agricultural sites or craftsmen and trade. The tough and efficient motor gives a long lifetime and high reliability. Three ceramic pistons. Ergonomic design. Automatic Standby. Hose Reel. Addition rotary jet lance.