The TR-3712N is a High Efficiency (HE) particulate filter for use with TR-300 Series PAPRs.
The TR 3712N is a High Efficiency (HE) particulate filter for use with TR 300 Series PAPRs. The TR 3712N is a direct replacement for the TR 3710N. The TR 3712N filter is compatible with both filter covers TR 370 and TR 371.