Xtremely High NRR 33. Noise Reduction Rating 33 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. Tested according to ANSI Specs S3.19-1974. The level of noise entering a person's ear, when hearing protector is worn as directed, is closely approximated by the difference between the A-weighted environmental noise level and the NRR.
Xtremely High NRR 33. Noise Reduction Rating 33 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. Tested according to ANSI Specs S3.19-1974. The level of noise entering a person's ear, when hearing protector is worn as directed, is closely approximated by the difference between the A-weighted environmental noise level and the NRR.
in 1 offers
Xtremely High NRR 33. Noise Reduction Rating 33 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. Tested according to ANSI Specs S3.19-1974. The level of noise entering a person's ear, when hearing protector is worn as directed, is closely approximated by the difference between the A-weighted environmental noise level and the NRR.
Xtremely High NRR 33. Noise Reduction Rating 33 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. Tested according to ANSI Specs S3.19-1974. The level of noise entering a person's ear, when hearing protector is worn as directed, is closely approximated by the difference between the A-weighted environmental noise level and the NRR.
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Last updated at 30/10/2024 04:08:20
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available about 1 month ago
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originally posted on iherb.com
originally posted on iherb.com
originally posted on iherb.com
| Product Type | Ear plugs |
| NNR | 33 dB |
| Length | 2.25” |
| Width | 3.38” |
| Height | 5.25 |
Updated about 7 hours ago
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| Product Type | Ear plugs |
| NNR | 33 dB |
| Length | 2.25” |
| Width | 3.38” |
| Height | 5.25 |
