PF-3001XL Particulate filter 144 MicronFASS FUEL SYSTEMS PF 3001 PARTICULATE FILTER (PF 3001) OUR NEW PARTICULATE FILTER IS RATED @ 144 MICRONS. THE 144 MICRON PARTICULATE FILTER ON THE SUCTION SIDE WILL DRASTICALLY REDUCE CAVITATION, INCREASE FLOW PROPERTIES, LOWER THE SOUND OUTPUT OF THE FASS SYSTEM, AND REMOVES LARGER FUEL PARTICULATES. The new XWS 3002 MUST bus used in conjunction with the PF 3001, the new filters cannot be used in combination with the FF 3003 FF 3010 or FS 1001 FS