3M Peltor Hygiene Kit for H520 Optime II HY3 Ear Muffs Ear Defenders HY52 | eBay
3M Peltor Optime III Earmuffs with Headband, 35 dB, Black/Red – Protection against high noise levels in industrial settings - 1x Peltor ear defender & PELTOR Hygiene Kit for Optime III Ear
3M™ PELTOR™ Hygiene Kit for Optime™ III Earmuffs, HY54 | 3M United States
3M PELTOR Hygiene Kit for Optime III Ear Muffs, HY54 | eBay