Shell PANOLIN S4 Gear EAL is an advanced synthetic fluid for use in gearing applications such as marine thrusters and propulsion drives. Industrial gears, bearings and other components in circulated and splash lubricated systems. Manufactured from fully saturated esters, Shell PANOLIN S4 Gear EAL is designed to offer outstanding load carrying performance whilst also being readily biodegradable with low ecotoxicity. Shell PANOLIN S4 gear EAL is an Environmentally Acceptable Lubricant (EAL) and holds the EU Ecolabel.