Product details:
he 3M™ Versaflo™ TR-3600 Pre Filter for use with the 3M™ Versaflo™ TR-300 Powered Air Respirator .
The 3M™ Versaflo™ TR-3600 can extend the life of the 3M™ Versaflo™ Powered Air Respirator by capturing large particles that would otherwise clog the filter. 10 filters per pack
Brand: 3M