Integrated cavities result in a larger surface area in the direction of the eardrum

As the most unique and effective earplug-earbud hybrid

They reduce most noise to safe levels while preserving the lucidity of sounds

but the moment sound levels become too high – the hearing protection kicks in and attenuates the sound levels that reach your eardrums

and construction

3M™ Peltor™ HY10 (HY54) Hygiene Kit for Optime™ III Earmuffs upsell_got-ears-screw-in-lanyard-for-custom-molded-ear-plugs Integrated cavities result in aHighlights Maintain hygiene of communications headsets that see heavy use or multiple users Includes sealing rings and foam inserts for earmuffs Compatible with Optime III Earmuffs Ensures good function and hygiene Extend the life of earmuffs with 1 pair of replacement cushions and 1 pair of dampers. These replaceable cushions and dampers help extend the life of 3M Peltor Earmuffs by replacing old or damaged parts.