3M™ PELTOR™ Hygiene Kits for 3M™ PELTOR™ Communication Headsets help you maintain the correct levels of protection, comfort and hygiene.Maintain hygiene, comfort and protection of 3M™ PELTOR™ Communication Headsets with 3M™ PELTOR™ Hygiene Kits. 3M recommends replacing earmuff cushions and foam inserts every 6 months or sooner if they are damaged. There are different kits available for a wide variety of 3M™ PELTOR™ Headsets.