Description Perko Plastic Vented Deck Filler – Oval Shape Black ‘Gas’ 38mm 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. Oval shaped head. Code Colour Fuel Hose mm Vent Hose mm Protrusion mm Intrusion mm Mount Screws mm 401958 Black 38 16 20 65 4 c/s 401959 White 38 16 20 65 4 c/s Fuel Hose: 38mm Vent Hose: 16mm Protrusion: 20mm Intrusion: 65mm Mount Screws: 4mm c/s