The Husqvarna 581158802 XP+ 50:1 Pre-Mixed Fuel (Pack of 4) provides a premium, ethanol-free blend designed for 2-stroke engines. Infused with Husqvarna’s top-quality synthetic oil, it delivers superior lubrication, cleaner burning, and extended engine life. Ready to use and long-lasting, this fuel ensures reliable starts and optimal performance for all your outdoor power equipment.