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● | Imitated-bullet outline design, ensuring effective noise reduction | ||||
● | Surface with special antifouling treatment, hygienic and safe to wear |
Product No | FH0301 |
Standards | EN352 |
Package | 200 pairs/box,6 boxes/package |
Frequency [HZ] | 125/250/500/1000/2000/4000/8000 |
Sound Attenuation [dB] | 30.5/33.3/36.2/36.2/37.9/43.9/45.2 |
Standard Deviation [Db] | 6.3/7.9/7.0/6.7/5.1/4.1/4.7 |