The Fleetguard Spin-on Fuel Water Separator is a must-have. This fuel water separator is designed to efficiently remove water and contaminants from fuel to improve engine performance. This product has a TWA efficiency rating of 96% by SAE J 1985, ensuring that it is highly effective in separating water and contaminants from fuel. It also has a free water separation efficiency of 90%, which means that it can effectively remove free water from fuel. This features a standpipe, which helps to prevent fuel starvation during high flow conditions. Additionally, it has an emulsified water separation efficiency of 90%, which means that it can effectively remove emulsified water from fuel. With a micron rating of 20-microns by SAE J1985, this fuel water separator provides assurance of its quality. Overall, it is an essential component for any diesel engine. It is designed to extend the life of the fuel system and improve engine performance by effectively removing water and contaminants from fuel. FleetPride is your First Click in Heavy Duty®.