Millers Oils Tank Safe is a high quality gasoline additive providing anti corrosion protection and vapour phase inhibition. By addition to the fuel tank contents at the end of season \"lay up\" will provide fuel tank and fuel system protection whilst being stored. Very economical treatment rates. Add one bottle to tank contents and temporarily block any open fuel breathers for maximum efficiency. Specifically formulated for petrol engines whether carburettor or fuel injected to give extremely effect corrosion protection and vapour phase inhibition (VPI) Carburettor cleanliness improved Compatible with all types of petrol - leaded, unleaded and oxygenated