Sierra 18-7865 Compact Water Separating Fuel FilterSierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron without starving your engine for fuel.Features: 10 Micron rating; Ethanol blended fuel absorbs more water and loosens more particulants than regular fuels; Proper filtration is required for every horsepower engine; Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline; All filters flow at 90 GPH to feed even the hungriest motor; Interchangeable with: EMP; 35-37808; Mallory; 9-37808; Yamaha Outboard; MAR-MINIF-IL-TR;