EGO POWER+ 128 Fl Oz Premium Bar and Chain Lubricant is recommended for use with EGO POWER+ chain saws to extend bar and chain life for superior performance. This premium oil-free formula outperforms traditional bar and chain oils and is 100% bio-based and biodegradable. This one-gallon jug of bar and chain lubricant prevents rust and corrosion, and its high-tack formula reduces kickback. Its water soluble for easy cleanup and is designed for use with all chain saws.