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Used to hold 3M™ Filters 1744 and 1744C.
For use with 3M™ HF-50 Single-Cartridge Facepiece Reusable Respirator Series.
Compact design increases vision and safety.
Used to hold 3M™ Particulate Filters 1744 and 1744C in place on top of 3M™ Respirators HF-50 Series.