iHerb UK - Hearos , Sleep Pretty® Ear Plugs, Pink, Nrr 32, 14 Pair
- NRR 32
- Trusted Since 1992
- Quiets Snoring for Restful Sleep
Tested according to ANSI Specs S3.19-1974
The level of noise entering a person's 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)Frequency125250500100020003150400063008000Mean Attenuation (dB)35.333.438.737.739.744.245.048.248.2Standard Deviation (dB)3.92.93.52.43.14.54.03.63.1
Example:
- The environmental noise level as measured at the ear is 92 decibels dB(A).
- The NRR is 32 decibels (dB).
- The level of the noise entering the ear is approximately 60 dB(A).
Noise 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).Suggested use
Easy Instructions
Ear plugs must be inserted properly for optimum performance.
Price now:
From
£5.39
To
£17.49
Price History:
Details:iHerb UK - Hearos , Sleep Pretty® Ear Plugs, Pink, Nrr 32, 14 Pair
- NRR 32
- Trusted Since 1992
- Quiets Snoring for Restful Sleep
Tested according to ANSI Specs S3.19-1974
The level of noise entering a person's 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)Frequency125250500100020003150400063008000Mean Attenuation (dB)35.333.438.737.739.744.245.048.248.2Standard Deviation (dB)3.92.93.52.43.14.54.03.63.1
Example:
- The environmental noise level as measured at the ear is 92 decibels dB(A).
- The NRR is 32 decibels (dB).
- The level of the noise entering the ear is approximately 60 dB(A).
Noise 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).Suggested use
Easy Instructions
Ear plugs must be inserted properly for optimum performance.
Price now:
From
£5.39
To
£17.49
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iHerb
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Product Description
- NRR 32
- Trusted Since 1992
- Quiets Snoring for Restful Sleep
Tested according to ANSI Specs S3.19-1974
The level of noise entering a person's 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)Frequency125250500100020003150400063008000Mean Attenuation (dB)35.333.438.737.739.744.245.048.248.2Standard Deviation (dB)3.92.93.52.43.14.54.03.63.1
Example:
- The environmental noise level as measured at the ear is 92 decibels dB(A).
- The NRR is 32 decibels (dB).
- The level of the noise entering the ear is approximately 60 dB(A).
Noise 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).Suggested use
Easy Instructions
Ear plugs must be inserted properly for optimum performance.
Product Specifications
General | |
|---|---|
Age group | Adult |
Gender | unisex |
Size | 32 |
Brand | Hearos |
Color | pink |
colour | pink |
Material | foam |
suitable for | sleeping |
type | ear plug pack |
Delivery, Returns & Refunds
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