3M 7100130331 Folding Earmuffs 25 Db Nrr Black

Product Description

The 3M 7100130331 is a folding, over-the-head earmuff designed to deliver reliable hearing protection in high-noise work environments. With a Noise Reduction Rating of 25 dB, these earmuffs help guard against harmful noise levels at 85 dB and above, making them well-suited for sustained use on job sites where hearing damage is a real occupational risk. The headband is padded for all-day comfort, and the pivoting ear cups conform to a range of head shapes. When the job is done, the unit folds flat for compact storage in a tool bag or vehicle.

These earmuffs are a practical fit for construction sites, manufacturing floors, landscaping operations, woodworking shops, and similar high-decibel environments. The adjustable headband accommodates a wide range of head sizes, making them easy to deploy across a crew. They are reusable and built for repeated daily use. Typical applications include operation of power tools, grounds maintenance equipment, jackhammers, compressors, and general factory floor tasks where continuous or intermittent loud noise is present.

Key Features

• Noise Reduction Rating (NRR) of 25 dB for effective hearing protection in loud environments
• Protects against harmful noise at 85 dB and above
• Padded headband reduces pressure during extended wear
• Pivoting ear cups self-adjust for a consistent acoustic seal across different head shapes
• Folds flat for compact storage and portability
• Flexible, adjustable headband fits a wide range of users
• Reusable construction suited to daily job site use

Compatibility

Designed as a general-purpose folding earmuff for trade and industrial applications where ANSI-rated hearing protection is required.

Installation Notes

No tools are required to don or adjust these earmuffs. Hearing protection should be worn any time ambient noise levels reach or exceed 85 dB, in accordance with OSHA 29 CFR 1910.95 guidelines. Inspect the ear cushions and headband regularly for wear or deformation that could reduce the acoustic seal. Replace the unit if cushions are cracked, hardened, or no longer seat properly against the head.

Technical Specifications

• Noise Reduction Rating (NRR): 25 dB
• Wearing Style: Over-the-Head, Folding
• Color: Black
• Package Quantity: 1 each
• Length: 11.38 inches
• Width: 8.31 inches
• Height: 9.5 inches
• Weight: 3.85 pounds

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100130331