- Can extend the service life of TR-600 Series filters by capturing large particles
 - May reduce operating costs by extending the service life of TR-600 Series filters
 - Can be used in conjunction with a 3M™ Versaflo™ Spark Arrestor, TR-662
 - Maintenance free and should be discarded if clogged or damaged
 - Regular prefilter changeouts can improve system performance and may increase battery life