This filter meets Yamaha Motor Corporation USA, MARINE GROUP requirements for marine outboard engine applications.Fits standard filter head found on Mercury, Mercruiser, Yamaha and others. 90 GPH capacity. Over 90% efficiency, ultra high capacity for maximum performance, and epoxy-coated inside for corrosion protection. Will not separate 2-cycle oil from gasoline. 10 micron filter element with a high pleat count. More pleats more capacity more efficiency. Engineered for high pressure fuel systems.