product detail

High Protection NRR 32Noise Reduction Rating 32 Decibels (when used as directed).
The range of noise reduction ratings for existing hearing protectors is approximately 0 to 30 (higher numbers denote greater effectiveness.Tested according to ANSI Specs S3.19-1974
The level of noise entering a persons ear, when hearing protector is worn as directed, is closely approximated by the difference between the A-weighted environmental noise level and the NRR.Attenuation Chart (ANSI S3.19-1974) Frequency
125
250
500
1000
2000
3150
4000
6300
8000
Mean Attenuation (dB)
32.4
35.5
40.5
39.2
39.8
45.5
47.0
47.0
47.5
Standard Deviation (dB)
3.3
3.3
3.0
4.2
2.8
3.2
3.7
4.7
5.1
Example:

-.The environmental noise level as measured at the ear is 92 decibels dB(A).

-.The NRR is 32 decibels (dB).

-.The level of noise entering the ear is approximately 60 dB(A).

Made in USA
Warnings

---

Keep away from infants.
This product is non-toxic but may interfere with breathing if caught in windpipe.For noise environments dominated by frequencies below 500 Hz, the C-weighted environmental noise level should be used.
Improper fit of this device will reduce its effectiveness in attenuating noise.
Consult the instructions for proper fit.
Although hearing protectors can be recommended for protection against the harmful effects of impulsive noise, the Noise Reduction Rating (NRR) is based on the attenuation of continuous noise and may not be an accurate indicator of the protection attainable against impulsive noise such as gunfire.
The Noise Reduction Rating (NRR) calculated from the attenuation data is 32dB.
Ear plugs must be properly fitted to attenuate noise effectively.
Refer to instructions.

ingerdients

Array