· NIOSH R95 Certified - Unrivaled NIOSH approved R95 protection. 3M 8247 mask is aNIOSH approved R95 respirator. 3M 8247 R95 PROTECTIVE FACE MASK COVER. · One Factory Box containing 20 Masks of 3M 8247 - R 95 filter level (Providing N95 filtration while also blocking oil vapors).
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