3M Peltor Optime 105 Behind-the-Head Earmuff, Factory, One Size

The double-shell technology incorporated in 3M PELTOR Optime 105 Earmuffs are designed to boost its noise blocking ability. Thanks to this feature, these earmuffs have a Noise Reduction Rating (NRR) between 2730 dB* (depending on the attachment type), making them an ideal choice for use in airports; construction; manufacturing; food, beverage, & agriculture; oil & gas; heavy manufacturing; pharmaceutical; and transportation. For noise levels up to 105 dBA, these behind-the-head earmuffs feature double-shell technology to provide effective hearing protection • Patented Twin-Cup™ design has soft, foam-filled earmuff cushions • Behind the head design allows for easy use with hard hats • Liquid/foam filled earmuff cushions • Color-coding for compliance sighting • Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided. 3M is Leading the Advancement of Hearing Conservation™.

• Noise Reduction Rating (NRR) between 27–30 dB (depending on the attachment type)
• Double-shell technology boosts noise-blocking ability
• Made with soft, foam-filled cushions
• Stainless steel construction resists bending and warping
• 3M E-A-Rfit Dual-Ear Validation System testable
• For industrial/occupational use only. Not for consumer sale or use