3M's Optime II Earmuffs have been designed for use in demanding industrial noise environments. The Optime II Earmuffs are worn around the neck and offer a comfortable fit during long term use
For demanding industrial noise environments
Unique liquid/foam filled sealing rings muffles even extremely low frequencies
Large space inside the cups helps minimise heat and moisture build up
Offers comfortable fit during long term use
Ideal for construction, large machinery, airports and agricultural use