3M 7000127207 Disposable Foam Earplugs Large Corded Nrr 33db

Product Description

The 3M 7000127207 is a corded, disposable foam earplug designed for large ear canals and high-noise industrial environments. These Classic Plus earplugs are slightly longer than standard Classic earplugs, allowing deeper insertion into the ear canal to achieve a Noise Reduction Rating of 33 dB (CSA Class AL). The slow-recovery, low-pressure foam compresses for easy insertion and expands gradually to form a consistent acoustic seal. The bright yellow color gives safety supervisors a fast, at-a-glance method to confirm hearing protection compliance on the job site. Licensed safety professionals and industrial hygienists recommend this style for extended-duration wear in sustained high-noise operations.

These earplugs are suited for a wide range of industrial and commercial applications including chipping, chiseling, drilling, grinding, furnace operations, heavy equipment operation, machining, pouring and casting, power fastening, riveting, sanding, sawing, and welding. Relevant industries include agriculture, automotive, chemicals, construction, general manufacturing, healthcare, oil and gas, and pharmaceuticals. The corded design is practical in environments where dropped earplugs pose a contamination or safety concern. These earplugs are also test-compatible with the 3M E-A-Rfit Validation System for quantitative fit testing.

Key Features

• Longer-than-standard profile allows deeper ear canal insertion for higher noise attenuation
• NRR 33 dB rating, CSA Class AL certified
• Slow-recovery, low-pressure foam provides comfortable extended wear with firm enough body for easy compressed insertion
• Moisture-resistant construction maintains consistent expansion time in humid environments
• Flame-resistant material suitable for arc flash risk areas and proper storage conditions
• Bright yellow color enables rapid visual hearing protection compliance checks
• Compatible with the 3M E-A-Rfit Validation System for fit testing programs

Compatibility

Designed for use with the 3M E-A-Rfit Validation System. Suitable for workers with large ear canals who require a deeper-fitting disposable foam earplug in high-noise industrial and commercial settings.

Installation Notes

Earplugs should be fitted by rolling the foam into a tight cylinder before insertion and holding in place until full expansion occurs. Workers and safety personnel should follow OSHA hearing conservation program guidelines and employer-specific fit-check procedures. Refer to the NRR label and applicable NIOSH guidance when calculating effective noise exposure levels, noting that the rated NRR should be reduced by 50 percent to estimate typical real-world attenuation. Inspect each earplug before use and discard if foam is damaged, soiled, or no longer recovers its shape.

Technical Specifications

• Noise Reduction Rating (NRR): 33 dB
• CSA Classification: Class AL
• Size: Large
• Cord Type: Corded
• Disposable: Yes
• Color: Yellow
• Package Weight: 22.58 pounds
• Package Length: 19.13 inches
• Package Width: 12.38 inches
• Package Height: 31.5 inches
• Unit of Measure: Case
• UPC: 10080529110234

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000127207