- Sleep Pretty in Pink Women's Ear Filters
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Drugstore.com
From $3.99 (New)
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Walgreens
From $3.99 (New)
From $3.99 (New)
From $3.99 (New)
| Latest | $3.99 2 hrs ago |
| Highest | $3.99 Jun 15, '13 |
| Lowest | $3.99 Jun 15, '13 |
| Average | $3.99 (30d avg) $3.99 (90d avg) $3.99 (180d avg) $3.99 (365d avg) $3.99 (Lifetime average) |
| Added | Jun 15, 2013 |
Women s Ear Filters for the Perfect Night Sleep 14Pairs Reduces Noise by 32 Decibels Super Soft Always Comfortable Physician Recommended Noise Reduction Rating: 32 Decibels The range of noise reduction ratings is for existing hearing protectors is approximately 0 to 30 Testing according to ANSI Specs S3.19-1974: The level of noise entering a person-s ear, when hearing protector is worn as direct, is closely approximated by the difference between the A-weighted environmental noise level and the NRR. Example: 1. The environmental noise level as measured at the ear is 92 decibels dB. 2. The NRR is 32 decibels. 3. The level of the noise entering the ear is approximately 60 dB
| Latest | $3.99 7 hrs ago |
| Highest | $5.99 Aug 25, '14 |
| Lowest | $3.99 Sep 9, '15 |
| Average | $3.99 (30d avg) $3.99 (90d avg) $3.99 (180d avg) $4.17 (365d avg) $5.13 (Lifetime average) |
| Added | Jun 5, 2013 |
Ladies's Ear Filters For The Perfect Night Sleep 14 Pairs Reduces Noise By 32 Decibels Super Soft & Always Comfortable Physician Recommended Noise Reduction Rating: 32 Decibels (When Used As Directed) The Range Of Noise Reduction Ratings Is For Existing Hearing Protectors Is Approximately 0 To 30 (Higher Numbers Denote Greater Effectiveness) Testing According To Ansi Specs S3.19-1974: The Level Of Noise Entering A Person-S Ear, When Hearing Protector Is Worn As Direct, Is Closely Approximated By The Difference Between The A-Weighted Environmental Noise Level And The Nrr. Example: 1. The Environmental Noise Level As Measured At The Ear Is 92 Decibels Db(A). 2. The Nrr Is 32 Decibels (Db). 3. The Level Of The Noise Entering The Ear Is Approximately 60 Db(A) Made In Usa