Aspen 4 is an alkylate petrol for lawnmowers, generators, boats and other four-stroke engines. The cleaner combustion of Aspen 4 makes the exhaust fumes less hazardous to your health. In addition, the engine stays cleaner, which ensures better performance and a longer lifespan for your machine. Aspen 4 can be stored for years and retains its quality! • Your machine always starts • Aspen remains storable for years • Virtually odourless • Less maintenance & a longer lifespan for your machine • Your health and the environment are optimally protected