3M Respirator Pre-Filters in Stock - ULINE
Dec 24, 2020·Pre-Filter - For use with cartridges only. Adds particulate protection. Must be used in conjunction with S-9752 Pre-Filter Retainer. When attaching to 3M Half-Face or 3M Full-Face Reusable Respirators, a cartridge is also required.; Pre-Filter Retainer - Connects pre-filters to cartridges.. Required adapter for S-9749 and S-19187 Pre-Filters.