3M Personal Protective Equipment Standard Nrr 31 Db, Black, One Size Fits Most

HIGH ATTENUATION: Very high attenuation earmuffs recommended for high-noise exposure applications - NRR 31 dB CSA Class AL* ADVANCED TECHNOLOGIES: High attenuation as a result of newly designed spacers, specially formulated earcup liners and innovative foam contained in the cushions COMFORTABLE: Wide, soft foam ear cushions and earcup tilting pivot points designed for high comfort and an effective acoustic seal with the head EXTENDED COMFORT: Internal stainless steel wire in headband helps maintain consistent force over an 8-hour period for extended comfort. Twin headband design helps reduce heat buildup DURABLE: ABS plastic cups create a rigid, high-strength and impact-resistant earmuff to handle tough environments DIELECTRIC HEADBAND: Electrically-insulated headband with no exposed wires helps provide protection from low voltage electrical hazards REPLACEABLE CUSHIONS and inserts help keep them clean: 3M PELTOR HYX5 Hygiene Kit. Industrial/occupational