Designed for the most demanding noise environments, the 3M™ PELTOR™ Optime™ 105 H10B Earmuffs deliver superior hearing protection with a Noise Reduction Rating (NRR) of 29 dB and CSA Class AL certification. The innovative double-shell earcup technology and high-mass construction effectively block a wide range of low and high-frequency noise—ideal for work environments up to 105 dBA.

This behind-the-head design provides excellent compatibility with hard hats, face shields, and other PPE—offering a secure and comfortable fit without compromising safety.

Key Features:

• Maximum Hearing Protection:
  NRR 29 dB; suitable for extremely high-noise environments up to 105 dBA.
• CSA Certified – Class AL:
  Meets the highest standards for occupational noise reduction in Canada.
• Double-Shell Technology:
  Two-cup system separated by a foam layer enhances noise attenuation across all frequencies.
• Behind-the-Head Design:
  Ideal for use with hard hats and other headgear—does not interfere with helmet suspension systems.
• Durable Construction:
  Stainless steel headband resists bending and warping while distributing pressure evenly.
• All-Day Comfort:
  Soft, liquid and foam-filled cushions conform to the head for a secure seal and long-wear comfort.
• Fit Test Compatible:
  Use with the 3M™ E-A-Rfit™ Dual-Ear Validation System to verify proper fit and protection.
• Replaceable Hygiene Kit:
  Compatible with 3M™ PELTOR™ Hygiene Kit HY54 for easy maintenance and extended use.

Ideal Applications:

• Assembly
• Cleaning
• Demolition
• Electrical
• Facility Maintenance
• Grinding
• Machine Operations
• Painting
• Sanding
• Welding