Product Overview
- Noise reduction rating of 33 dB
- Metal detectable to prevent contaminants from entering products if earplugs are lost
- Ideal for use in food processing plants
- Moisture-resistant to maintain a constant expansion time
- Low pressure foam conforms to the ear canal for comfort
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Keep your employees safe on the jobsite with these 3M E-A-R™ Classic™ yellow / blue metal detectable corded foam earplugs

With a noise reduction rating of 33 decibels and a CSA Class AL rating, these earplugs are perfect for use in agriculture, food processing, sanitation engineering, inspection, and construction where hearing protection is required. The bright yellow color of these earplugs allows for supervisors to quickly and easily conduct hearing protection compliance checks and their soft design conforms to the ear canal. These earplugs are compatible with the 3M E-A-Rfit™ validation system and should be worn around loud machinery and equipment to help prevent hearing loss or damaged eardrums.
Made in America
This item was made in the United States of America.
Corded Design
A blue cord ensures that these earplugs never get separated from one another. The cord also makes it easy to keep the earplugs around your neck when they are not in use. Each pair of earplugs comes in a poly pack that keeps them clean and sanitary before use.
Metal Detectable
These earplugs are metal detectable to prevent contaminants from entering products if earplugs are lost. This makes them ideal for workers in the food processing industry.
Disposable Slow Recovery Foam Construction
These earplugs are made with a slow recovery foam that easily goes into the ear canal and slowly expands to sit in place. The roll down design means you have to roll and compress the plug between your fingers before inserting it into your ear to expand and create a fitted seal. Plus, they are meant for one-time use, helping to stop the spread of bacteria among workers.
Compare to Other Products
- Noise Reduction Rating:
- 33 Decibels
Resources and Downloads for
3M 311-4101
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