Husqvarna Ethanol Free, High Octane Fuel is mixed with Husqvarna's best synthetic oil blend. This product was specifically formulated to provide the Husqvarna handheld owner with optimal equipment performance. The fuel does not degrade or oxidize like pump gas and fuel stays fresh for years solving longer term storage needs. Protects fuel systems and saves carburetors to avoid costly rebuilds and downtime. Convenient, ready to use design so no mixing is required.