3M 340-4004 UltraFit® Ear Plugs - Corded, No Case
NRR 21
Patented flange design gives the most comfortable fit of any reusable plug
Conforms to oval shape of ear
Washable, promotes worker hygiene
No rolling or touching plug portion during insertion
...
3M
36-3984
340-4004-PR
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Product Availability
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All Other BranchesCheck Availability372 In Stock
Price | Add to Cart |
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$195.99
BX
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- NRR 21
- Patented flange design gives the most comfortable fit of any reusable plug
- Conforms to oval shape of ear
- Washable, promotes worker hygiene
- No rolling or touching plug portion during insertion
Alternate Catalog Numbers: 36-3984
Pending Reviews
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