Ear Defenders Adults Construction 3M™ Peltor™ Optime™ III Earmuffs Neckband, Class 5 Peltor Ear Defenders This product is designed, manufactured, labeled, and packaged for sale to industrial and professional customers for workplace use; it is not intended for consumer sale or use 3M Peltor Optime I Earmuffs with Neckband - | Bunzl Safety AU Earmuffs with a low profile earcup designed to fit under the 3M speedglas welding helmets Our neckband welding earmuffs are CE certified and tested to EN 352 and reduce noise levels up to 24 dB. The soft foam cushions help decrease pressure around... 3M PELTOR Welding Earmuffs are designed to be used with the 3M Speedglas Welding Helmet series 9100., These earmuffs provide moderate level of attenuation that meets the needs of most welding industry applications. Head and Hearing Protection - Welding & Industrial Supplies Large space inside cup helps reduce moisture and heat build-up