<strong>Yahoo Message Number: 11402</strong>At the recent FMCA Rally in Redmond, I attended a seminar on Air Filter Maintenance, presented by Danny Allison from Florida. He was advocating the superiority of Cotton Air Filters over paper types. Of course, Mr. Allison sells Cotton Air Filters. His conversion kit for my ISC Cummins was $265, verses a paper filter from the Cummins booth...