3M E-A-Rflex 28 Semi-Aural Hearing Protector, NRR 28 - Can be worn in any of three positions (Over-the-Head, Under-the-Chin, Behind-the-Head). Comfortable, effective, light weight alternative to earmuffs. Easy insertion with no roll down. Highest level of protection available in a semi-insert hearing protector. Lightweight dielectric plastic construction. Non-irritating. Replaceable tips. Take-apart assembly for easy cleaning. Worn under-the-chin or behind-the-head, will not interfere with hard hat or glasses.
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