3M PELTOR Hygiene Kit for Earmuffs are our quick and easy solution to maintain your 3M PELTOR Earmuffs with replacement cushions and liners.Extend the working life of your hearing protection with 3M PELTOR Hygiene Kits. 3M recommends replacing our earmuff cushions and foam inserts every 6 months or sooner if they are damaged. 3M PELTOR Hygiene Kits include replacement ear cushions and foam liners for that specific ear muff. Quick and simple to use, you can replace your cushions to maintain the comfort you deserve and the head seal you need for proper attenuation.