Conforms to EN 352-1 H= 34, M = 29, L = 20 SNR= 31. For moderate to high noise levels, e.g. construction. Twin headband helps reduce heat build-up and provides good fit and balance. Large space inside cup helps reduce moisture and heat build-up. Headband provides constant pressure over prolonged wearing periods for maximum protection and comfort. Replacement foam inserts in cushions - easy to fit - no tools required.
3M Peltor X Series Ear Muffs Information Video