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it must never be used in low-oxygen atmospheres or those immediately dangerous to life or health
ANSI/ISEA Z87
and a removable
Filter class N99 — at least 99% of non-oil airborne particles Oil Is not oil-resistant Type Snap-on prefilter (no retainer needed) Use with North bayonet gas cartridges Pack Multiple per pack Compatible North Respirators
ProCase NRR 28 ear muffs, Passive 442007 it must never be usedEDITORIAL REVIEW: 4. 5 5 WC Safety Review ProCase Noise Reduction Ear Muffs, Sound Proof Ear Protection, NRR 28dB Noise Cancelling Headphones for Adults Kids Auti The NRR 28 ear muffs covered on this page is assessed against its published specification and the standard that governs its category, not against a marketing claim. Editorial assessment by Steven Eaton, WC Safety editor, based on published ProCase specifications and category fit. We did not
