Description
Comfortable, Reusable Hearing Protection for Demanding Work Environments
The 3M™ E-A-R™ UltraFit™ Earplugs 340-4004 are designed for professionals who need reliable, reusable hearing protection in noisy environments. Whether you’re on a construction site, in manufacturing, or working in food processing, these corded earplugs offer a secure fit, high noise reduction, and long-lasting comfort.
Key Features
- Noise Reduction Rating (NRR): 25 dB
- Single Number Rating (SNR): 32 dB
- Triple-Flange Design: Patented tri-flange shape fits most ear canal sizes comfortably
- Corded Convenience: Pre-tipped cord allows easy storage and quick access
- Durable Material: Made from soft, premoulded elastomeric polymer
- Reusable & Washable: Easily cleaned with soap and water
- Traceable Option: Includes 3M™ E-A-R™ Tracers™ with internal metal components for traceability
- Compatible with 3M™ E-A-Rfit™ Dual-Ear Validation System
Why It Matters – Benefits You’ll Feel
- Stay Focused: Reduces distracting noise, helping you concentrate on the task at hand
- Save Money & Reduce Waste: Reusable design means fewer replacements and less environmental impact
- All-Day Comfort: Soft material and ergonomic design prevent ear fatigue during long shifts
- Quick & Easy Use: Firm stem allows one-hand insertion and removal
- Peace of Mind: Meets EN 352-2:2020 standards for occupational hearing protection
Specifications & Technical Details
| Specification | Detail |
|---|---|
| Model | 340-4004 |
| NRR | 25 dB |
| SNR | 32 dB |
| Material | Premoulded elastomeric polymer |
| Cord Type | Pre-tipped |
| Packaging | Poly Bag |
| Quantity | Box of 100 |
| Compliance | EN 352-2:2020 |
| Compatibility | 3M™ E-A-Rfit™ Dual-Ear Validation System |
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How to Use
- Hold the earplug by the stem.
- Reach over your head with the opposite hand and gently pull your ear upward.
- Insert the earplug into the ear canal until it seals comfortably.
- To clean, wash with mild soap and warm water. Air dry before reuse.
Customer Reviews
Thabo M.
“These earplugs are a game-changer on our construction site. Comfortable and durable – I use them daily!”
Lyndsey K.
“I love that they’re washable and reusable. Great value for money and they really block out the noise.”
Jonathan V.
“Easy to insert and remove, even with gloves on. The cord makes it convenient to hang around my neck between uses.”
Frequently Asked Questions
Q: Do I need training to use these earplugs?
A: No formal training is required. Just follow the simple insertion steps provided.
Q: Are these earplugs suitable for food industry use?
A: Yes, especially the Tracers™ version with internal metal components for traceability.
Q: Can I use these with other 3M hearing protection systems?
A: Yes, they are compatible with the 3M™ E-A-Rfit™ Dual-Ear Validation System.
Q: How often should I clean them?
A: Clean them daily or after each use to maintain hygiene and performance.
Q: Will they fit small or large ear canals?
A: The triple-flange design is made to fit most ear canal sizes comfortably.
Q: Are they individually packaged?
A: Yes, each pair comes in a poly bag for hygiene and convenience.
Protect Your Hearing – Order Your Box Today
Don’t compromise on safety or comfort. The 3M™ E-A-R™ UltraFit™ Earplugs are trusted by professionals across industries for their reliability and ease of use. Add to cart now and experience superior hearing protection that lasts.
Industries & Workplace Applications
- Construction
- Manufacturing
- Mining
- Food Processing
- Automotive
- Aviation
- Utilities
- Agriculture
- Warehousing
- Oil & Gas














