FASS FUEL SYSTEMS PF-3001 PARTICULATE FILTER (PF-3001) THE NEW FASS 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 REMOVE LARGER FUEL ...