3m peltor optime iii h540p3 antiphones polo majica The Optima antiphon combines a

The Optima antiphon combines a low profile with a large internal depth

An adjustable hammer loop offers additional functionality for work tools

68 mm AVAILABLE SIZES 7

faux fur lining in body and collar

3m peltor optime iii h540p3 antiphones polo majica The Optima antiphon combines aThe 3M Peltor Optime III high performance Antiphon was developed for use in very noisy environments. The protection is based on double case technology that reduces resonances in the case holder and results in maximum high frequency suppression. The acoustic coupling between the internal volume and the volume between the hoses in turn provides maximum low frequency attenuation. The sealing rings are wide and full and the soft plastic foams are best