Moeller Water Separating Fuel Filter (Short Water, Mercury/Universal/Yamaha) Fuel filter for long-water Mercury/Universal/Yamaha outboard motors Traps the smallest particles and emulsified water from gasoline Filter heads offer 3/8 NPT ports resulting in high performance for your engine Stainless steel, powder-coated, and plastic filter head with excellent salt-water corrosion resistance Filtration media will not separate two-cycle oil from gasoline