Product Description

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. Attenuation Data Tested according to ANSI S.3.19-1974 table border=1 cellspacing=1 cellpadding=1 style=width:500px Frequency Hz 125 250 500 1000 2000 3150 4000 6300 8000 tr Mean Attenuation, dB 35.6 37.7 41.1 39.5 38.5 43.5 44.5 48.1 47.2 tr Standard Deviation, dB 4.9 4.5 4.4 3.7 2.7 2.8 4.0 4.3 3.7 tr tbody table NRP: 32 dB 100% Satisfaction guaranteed with all Walgreens products or your money back.