FACOM Stop-Smoke, reduces exhaust emissions from diesel engines. An injector cleaner to optimise the spray pattern, and to raise the octane level for complete combustion. As a result, exhaust emissions are visibly reduced during the MOT smoke test procedure.#May be used with all types of diesel engine irrespective of mileage#A single-use dose, tipped into the fuel tank, treats 50 - 70 litres of fuel#300ml bottle with filler