Flents Protechs, Sleep, Meteors Foam Ear Plugs, 10 Pairs

Short & Contoured for an Ultimate Fit Contoured Shape for Ultimate FitShort Size for Comfortable SleepNot Made with Natural Rubber LatexNoise Reduction Rating NRR 28EPA Includes:10 PairsCase Noise reduction rating: 28 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)Information required by epa: The level of noise entering a person's ear, when a hearing protector is worn as directed, is closely approximated by the difference between the A-weighted environmental noise level and the NRR.(1) The environmental noise level as measured at the ear is 92 dBA. (2) The NRR is 33 decibels (dB)(3) The level of noise entering the ear is approximately equal to [92 dB(A) - 33] 59 dB(A).