Cat® Standard Efficiency Fuel Water Separators are designed to eliminate 100% free water and 90% emulsified water, along with smaller contaminates, while also helping extend the life of your fuel filter and fuel injectors. Designed and built specifically for Cat equipment, our fuel water separators extend the life of your secondary filter and precision fuel system components. Choosing genuine Cat filters is the best choice for protecting your Cat equipment. Attributes: • Designed by Caterpillar to be an integrated component of your critical fuel system • Only available from Caterpillar • No one knows Cat Fuel Systems better than Caterpillar • Cat Filters perform better than will-fitters - see the test results