The 3M Versaflo Pre-Filters are designed to catch larger particles when used in combination with filters for the 3M Versaflo Powered Air Turbo Unit TR-3600. The Versaflo Pre-Filters can help to extend the filter life of a powered air respirator
For use with Versaflo TR-3600 Series Filters and Powered Turbo Air Unit
Captures large particles that would otherwise clog filters