3M
3M 311-4101 Disposable Corded Ear Plugs 33 dB 200 Pairs
Disposable corded foam ear plugs with a 33 dB noise reduction rating, supplied as 200 wrapped pairs in a bulk box
- TypeEar Drying
- SizeL
- ColorYellow
- 33 dB noise reduction protects hearing in loud environments
- Corded design keeps pairs together and prevents loss
- Metal-detectable components suit food-processing and industrial safety rules
- Roll-down foam expands for a secure, comfortable fit
- 200 pairs in bulk packaging supply high-volume workplaces
33 dB Noise Reduction for Demanding Environments
These disposable foam ear plugs deliver a noise reduction rating of 33 dB, meeting CSA Class AL standards for high-attenuation hearing protection. The cylinder shape and roll-down insertion method suit workers who need reliable, single-use plugs that expand to fit the ear canal. Metal-detectable components and a blue metal cord add safety for food-processing or manufacturing lines where foreign-object detection is mandatory. The yellow colour aids visual compliance checks.
200 Pairs Bulk Supply with Corded Convenience
Each box contains 200 individually wrapped pairs packed in cardboard pillow packs, providing long-lasting stock for daily rotation or team distribution. The metal cord keeps plugs together when not inserted, reducing loss and allowing quick removal and re-insertion during breaks. Because they are disposable, there is no cleaning or maintenance cycle; users simply discard after each shift. The bulk format suits high-turnover sites but may exceed the needs of occasional home users.
Fits Large Ear Canals
Sized large, these plugs target wearers with wider ear canals who find standard plugs loose or uncomfortable. The PVC foam construction and metal-detectable cord and band integrate with metal-detection gates common in regulated production areas. No electronic features, rechargeable elements or reusable frames are present, so buyers seeking Bluetooth connectivity, active noise cancellation or washable options must look elsewhere. The product focuses purely on passive, high-attenuation, single-use protection.
Highlights
- 33 dB noise reduction protects hearing in loud environments
- Corded design keeps pairs together and prevents loss
- Metal-detectable components suit food-processing and industrial safety rules
- Roll-down foam expands for a secure, comfortable fit
- 200 pairs in bulk packaging supply high-volume workplaces
Specifications
| Brand | Aearo Co |
|---|---|
| Type | Ear Drying |
| Size | L |
| Color | Yellow |
Questions about this item
Will these 33 dB ear plugs fit comfortably if I keep using my existing over-ear headphones for music?
The cylinder-shaped foam plugs are designed for insertion into the ear canal; wearing over-ear headphones on top may press the plugs deeper or break the seal, so test the combination for comfort and noise reduction before relying on it.
How can I confirm the 33 dB rating is achieved after I roll and insert a pair?
A proper fit means the plug expands to fill the canal and the blue metal cord hangs freely; you should notice a significant drop in ambient noise and feel even pressure without pain — if sound leaks, remove, re-roll and re-insert.
Does the bulk box contain 200 individually wrapped pairs or must I buy a dispenser separately?
The package holds 200 pairs in cardboard pillow packs; each pair is wrapped and ready to use, so no additional dispenser or accessories are required.
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