-- Brand New Anti Reverse Flow Petrol Tank Fuel Cap Breather Gas Vent Hose Tube.
-- One way valve for preventting fuel back flow from the fuel tank in the event of a fall
-- Keep the fuel tank air ventilated, but does not let fuel flow out.
-- Cap is made of A7009-T6 Aluminum.
-- Dimension as picture show.
-- Color: Green cap & Black tube!!Thanks:)!!:)#..