Message
We are here to help you.
● | Special surface three-ring design, ensuring close fit with the auditory meatus and effective noise reduction | ||||
● | Made of high quality silicone, washable and reusable, and comfortable to wear |
Product No | FH0303 |
Standards | EN352 |
Package | 100 pairs/box,6 boxes/package |
Frequency [HZ] | 125/250/500/1000/2000/4000/8000 |
Sound Attenuation [dB] | 29.6/28.3/30.1/28.8/34.6/38.9/44 |
Standard Deviation [Db] | 5.6/6.0/7.8/6.0/3.9/5.6/5.6 |