3M™ Peltor™ Earmuff Replacement Hygiene Kit helps to extend the life of your earmuffs and improve hygiene. The kit contains replacement cushions and dampers which can be replaced in a few easy steps. Compatible with 3M™ Peltor™ H10 Series Earmuffs Replacement parts help to extend earmuff life Helps to maintain hygiene of headset Helps to ensure a tight seal for great sound quality Compatible with Peltor H10 series earmuffs (Optime 105 etc.)