EARMOR M04 Earplugs, Silicone, Pair with cord.

The noise level entering the ear of a person wearing earplugs (as intended) is close to the difference between the intensity of the actual sound produced and the NRR value of the earplug.

• Example 1: The noise generated in the environment measured at the ear is 92dBA.
• The NRR of the earplug is 23 decibels (dB).
• The noise level entering the ear is approximately equal to 69 dBA.

Technical details:

• NRR 23
• CE
• AS / NZS 1270:2002
• ANSI S.3.19-1974
• EN352-2: 2002