Prefilter Fits Kawasaki FS481V FS541V FS600V FS730V FR651V FR691VOne New Aftermarket Replacement Prefilter (Pre Cleaner) Fits Kawasaki FR and FS Series Engines This foam prefilter (green) wraps around the primary air filter element to trap dust, dirt, and debris before they reach the main filter media, protecting Fits Kawasaki FR and FS series engines from premature wear. It fits the air filter assemblies used on Fits Kawasaki 22 through 26 HP engines found in a wide range of lawn and garden equipment from Fits