The Donaldson P550467 Fuel Water Separator Filter is a cartridge-style filter with a diameter of 6.76 inches. Designed to separate water from fuel, it utilizes a melt-blown media type to remove contaminants efficiently. This filter ensures optimal engine performance, extends component lifespan, and contributes to fuel system cleanliness. The Donaldson P550467 is a reliable solution for maintaining a clean fuel supply.