Gilmour Potable Water Hose. Run drinking water from one part of your boat to the other with this Potable Water Hose! No vinyl taste at all. Perfect for your boat, camper, pool or patio! Flexible and easy to coil in all weather. Each hose is 5/8" in diameter. Details: Durable blue-striped white cover won't mar surfaces; Features high burst strength with 5-ply construction that withstands nozzle shutoff; Full-flo brass couplings give unrestricted water flow; EZ-on coupler and blue protective collar. Bring one of these Hoses on board today... get it! Gilmour 50' Potable Water Hose