3M Prefilter TR-3600 is for the Versaflo TR-300 PAPR and comse in a pack of 10. When installed inside the filter cover of a TR-300 PAPR, the 3m prefilter TR-3600 can extend the life of the HE filter by capturing large particles that would otherwise clog the HE filter.
- Replacement for TR-300 PAPR
- Supplied in pack of 10
- Extends the life of the HE filter