3M EAR340-4002 Christmas tree type soundproof earplugs with wire (with plastic outer box)

NRR: 25 dB SNR: 32dB

Earplugs that can be washed and used repeatedly

Patented three-layer skirt design, comfortable to wear
and good
fit
Oval shape that fits the ear canal

No need Kneading, easy to use

340-4002 Packing:
50 pairs /box, 4 boxes/carton=200 pairs