Product Description: Soft, Perfect Fit for Soft Foam Noise Reduction Rating NRR33 Noise Reduction Rating: 33 decibels (when used as directed). Conventional hearing protectors have a noise reduction rating ranging from approximately 0 to 30 (higher numbers indicate greater effectiveness). Information required by the EPA: When wearing a hearing aid as directed, the noise level delivered to the human ear is approximately approximated by the difference between the A-weighted environmental noise level and the NRR. Example: The environmental noise level measured at the ear is 92 dBA. The NRR is 33 decibels (decibels). The noise level delivered to the ear is approximately equal to 92 decibels (A) to 59 decibels (A).
How to Use: With clean hands, slowly insert the plug into the wrinkle-free cylinder. Insert the plug into the ear canal while pressing it. Pull the outer ear outward and upward as you insert it to make it easier to put on. Use your fingertips to hold the plug in place until it begins to expand.
Caution: For environments where the frequency is below 500Hz, the C-weighted environmental noise level should be used. Improper wearing of the device will reduce the noise reduction effect. Refer to the enclosed product manual for proper attachment. Although the use of earplugs is recommended to prevent damage from excessive noise, the noise reduction ratio (NRR) is based on continuous noise reduction and cannot completely block out discontinuous noises such as gunshots. Do not cut the earplugs. Close adult supervision is required when used by children. Inspect the plug before use and replace it if it shows any signs of damage or use. Do not use for long periods of time. This product is for single use only. Infants and children should not put the earplugs in a windpipe, which may cause suffocation. Stop using this product if you experience pain or discomfort.
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