Racor PFF5510 ParFit Fuel Filter/Water Separator. 10 micron. For most inboard, outboard, two and four cycle gasoline engines. Replaces standard filters in all of the most popular marine gasoline engine applications: Mercury, Mercruiser, Yamaha, Suzuki, Honda, Tohatsu, and others. 4-1/4 diameter x 4-1/4 tall. Tested to SAE standards. Treated inside and out with highly corrosion resistant coatings to eliminate rust-through.