Echo 6550006 Red Armor 2-Cycle 6 Gallon Mix Oil 16 Oz.

Features:
Mix Ratio: 50:1; the 16 oz bottle mixes perfectly with 6 gallons of 89-octane or higher gasoline.
Fuel Stabilization: Keeps fuel fresh in a properly sealed container for up to 2 years.
Engine Protection: Exceeds ISO-L-EGD and JASO FD standards for lubrication, detergency, and smoke reduction.
Compatibility: Can be safely used across all major 2-stroke, gas-powered equipment