Replacement particulate prefilter for 3M™ Adflo™ Powered Air Purifying Respirator (PAPR). Installs into the Adflo™ turbo filter cover, between the spark arrestor and the High Efficiency particulate filter.
The 3M™ Versaflo™ Pre Filter TR-3600 for use with the 3M™ Versaflo™ Powered Air Respirator TR-300. A Pre Filter can extend the life of the Powered Air Respirator by capturing large particles that would otherwise clog the filter.