Hygiene Kit For Sync Stereo Earmuffs The hygiene kit consists of a pair of snap-in ear cushions and a pair of foam ear cup inserts. The inserts are for use with Sync stereo earmuffs only. The hygiene kits extend the life and performance of your earmuffs plus the kit is quick and easy to use. FEATURES and BENEFITS:
For use with: Sync stereo earmuffs
Extends performance and life of earmuffs
Quick and easy to use