3M Standard Over The Head, Green, One Size Fits Most

22 dB NOISE REDUCTION RATING: Over-the-head hearing protection with NRR of 22 dB for low to moderate noise exposures*. ADVANCED TECHNOLOGIES: New innovative foam earcup inserts and spacers help improve attenuation along with new ear cushion foam technology for an effective acoustic seal and reliable protection. 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 HYX1 Hygiene Kit.. For industrial/occupational use only. Not for consumer sale or use