NRR: 25 dB SNR: 32dB
Earplugs that can be washed and used repeatedly.
Patented three-layer skirt design, comfortable to wear, well-
fitting, oval shape
that
fits the ear canal, no need to rub, easy to use 340-4004 Packing: 100 pairs/box, 4 boxes /Box=400 pay
3M EAR340-4004 Christmas tree type earplugs with wire, suitable polyester earplugs, noise-proof earplugs
Model: EAR340-4004
Description
Additional information
| Brand |
3M |
|---|
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