Description SKU: FF100-2 PureFlow Technologies 2-micron fuel filter is manufactured with high-quality media, ideally suited to maximize the performance and benefits of the FPII-100 and FPII-125 AirDog® Heavy Duty and Industrial Diesel Fuel Systems. UPC: 810025910037 *Compatible for use with water separator: WS100 for AirDog® systems for light duty pickup trucks and light industrial applications.