Logan Coral EAL Synth Stern 100 is a high-performance, fully synthetic Environmentally Acceptable Lubricant (EAL) specifically developed for the lubrication of stern tubes and other marine equipment where minimal environmental impact and high reliability are essential. Formulated with advanced synthetic esters and a robust additive package, it provides excellent lubricity, superior film strength, and outstanding protection against wear, corrosion, and oxidation. The lubricant meets the stringent requirements of the U.S. EPA Vessel General Permit (VGP). use in applications where oil-to-sea.