The Baldwin Spin-On Fuel / Water Separator provides maximum efficiency and protection for your fuel injection system. This heavy duty filter is designed to keep your fuel clean and your engine running at peak performance. It is easy to install and replace, minimizing downtime and maintenance efforts. The filter contains a sensor port thread, standpipe and is free of both particulate and water contamination. The included O-ring must be installed on the post for a secure seal. FleetPride is your First Click in Heavy Duty®.