3M Peltor hygiene kits for 3M Peltor earmuffs ensure that you can always maintain protection level, wearing comfort, and hygiene. Extend the lifespan of your earmuffs with the 3M Peltor hygiene kit. 3M recommends replacing the cushions and foam inserts of the earmuffs every 6 months or sooner if they are damaged. The 3M Peltor hygiene kit includes green replacement cushions and foam inserts for the corresponding earmuffs. You can quickly and easily replace your cushions to preserve the comfort you deserve and the head seal you need for adequate noise reduction while hunting or shooting.