Well at Walgreens - Helps Block Noise & Snoring
- Disposable
- One Size Fits Most
- Contains 50 Pairs
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). Attenuation Data
Tested according to ANSI S.3.19-1974 | Frequency Hz | 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 | | Mean Attenuation, dB | 35.6 | 37.7 | 41.1 | 39.5 | 38.5 | 43.5 | 44.5 | 48.1 | 47.2 | | Standard Deviation, dB | 4.9 | 4.5 | 4.4 | 3.7 | 2.7 | 2.8 | 4.0 | 4.3 | 3.7 |
NRP: 32 dB 1-866-786-2356 100% Satisfaction guaranteed with all Walgreens products or your money back. | 
