Washdown Station with 15′ L White Hose, Polar White Pistol Grip Nozzle by T-H Marine. Flush Mounted Wash Down Station with Lid. T-H Marine boat products are found on virtually every recreational boat built in the United States: include bass boats, pontoon boats, runabouts, ski boats, deck boats, offshore fishing boats, flats boats, aluminum fishing boats, and center console boats.