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These orange 29 dB Noise Reduction Rated Safety Ear Plugs (10 Pairs) allow you to work and complete activities while helping to prevent the risk of hearing loss. You can use them for work, studying, concerts and more. The super soft foam conforms to the shape of your ear and you can remold them. These earplugs have a snug, comfortable fit and are brightly colored for easy compliance checks.
The level of noise entering a person's ear when a hearing protector is worn as directed is closely approximated by the difference between both the weighted environmental noise level and the noise reduction rating (NRR). The NRR is 29 decibels (dB) when used as directed. The range of noise reduction ratings for existing hearing protectors is approximately 0 to 30. High numbers denote greater effectiveness. Example (a-b=c): a. The environmental noise level as measured at the ear is 92dBa. b. The NRR is 29dB. c. The level of noise entering the ear is approximately equal to 63dB.