3M 14225 Ear Muffs Hearing Protection Nrr 20db

Product Description

The 3M 14225 is a lightweight over-ear hearing protection muff designed for use in industrial, construction, and trade environments where noise reduction is required. Featuring soft vinyl ear cushions and individually adjustable ear cups, the 14225 delivers a Noise Reduction Rating (NRR) of 20dB when worn as directed. The one-size design accommodates a wide range of head sizes, making it a practical choice for job sites where multiple workers share PPE or where quick deployment is needed. Licensed electricians, HVAC technicians, plumbers, and general tradespeople routinely reach for this style of muff during loud equipment operation or power tool use.

The 14225 is suited for residential and light commercial trade work where ambient noise levels require passive hearing protection. Typical applications include use during power tool operation, mechanical equipment servicing, and other tasks generating sustained noise exposure. The lightweight construction reduces fatigue during extended wear, and the adjustable cups allow each worker to dial in a proper seal against the head for consistent attenuation performance.

Key Features

• NRR 20dB noise reduction rating when used as directed
• Soft vinyl ear cushions for comfort during extended wear
• Individually adjustable ear cups for proper fit and seal
• One-size design fits a wide range of users
• Lightweight construction at 0.35 pounds to reduce fatigue

Compatibility

Designed as a general-purpose passive hearing protection muff suitable for trade and industrial environments requiring NRR 20dB attenuation.

Installation Notes

Hearing protection muffs require no tools for deployment. Before each use, inspect the ear cushions and headband for cracks, tears, or deformation that could compromise the acoustic seal. Position the cups squarely over each ear and adjust the band until a firm, even seal is achieved against the head. Workers should follow OSHA 29 CFR 1910.95 guidelines for hearing conservation programs when selecting and using hearing protection.

Technical Specifications

• Noise Reduction Rating (NRR): 20dB
• Ear Cushion Material: Soft vinyl
• Size: One size
• Weight: 0.35 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 12

Standard Information

• Brand: 3M
• Manufacturer Part Number: 14225