The 3M™ PELTOR™ Optime™ III ear muffs have been developed for use in extremely high noise environments, particularly those dominated by low frequency sounds. The product is based on a technology featuring double cup design to help minimise resonance effect, resulting in excellent high frequency attenuation. In addition, a combination of specially designed spacer and cup helps to provide excellent protection against low frequency sounds. The wide sealing rings, filled with soft polyurethane foam, provide best fit with low contact pressure. The 3M PELTOR™Optime III ear muffs stand for effective protection and highest comfort for the wearer. Attenuation rating (SNR) 34 Decibel, 35 Decibel Colour Black/Red Features Constant pressure, Easy Helmet Attachment, Double casing technology for high performance, Low Profile, Liquid Filled Sealing Rings Hearing Protection Style Neckband, Headband, Helmet Attachment Pack Quantity 20 Per Pack Product Type Earmuffs Standards/Approvals CE
