Details In the box Change your thinking,not your oil OPS is now part of the Pittsburgh Power family! We will continue to supply the exact same products you know and love from OPS with the same high quality standards. During this transition, shipping on orders may be delayed for about a week while the manufacturing and warehousing of OPS is moved to Pittsburgh Power’s location.  Clean oil all the time - The Eco-Pur™ system is an easy to install, onboard fluid cleaning system that continuously removes both the solid and liquid contaminants from engine oil, allowing your engine to run with clean oil 100 percent of the time. Lower oil maintenance costs Increase your return on assets ROI in as little as 10 months Extend your engine life What's in the box? OPS Eco-Pur Filters (3) Oil Analysis Kits (2) UPS Mailers (2) Installation Kit Mounting hardware All required connectors