Description Plastic Vented Deck Filler – White 38mm Gas Flip top cap that cannot be lost overboard. Integral tank vent with flame arrestor. U.V. stabilised injection moulded plastic with ‘gas’ identification. 110 x 73mm base. Fuel Hose: 38mm Vent Hose: 16mm Protrusion: 20mm Intrusion: 65mm Mount Screws: 4mm c/s