High Quality Ear Defenders Howard Leight Leightning L1

DESCRIPTION

Leightning L1 with air flow control. Delivers improved overall attenuation across all frequencies without increasing earcup size or weight. Tested according to ANSI S3.19-1974. Noise reduction rating 25.

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 NNR.

CAUTION

For noise environments dominated by frequencies below 500Hz, the C-weighted environmental noise level should be used. Improper fit of this device will reduce its effectiveness in attenuating noise. Although hearing protectors can be recommended for protection against the harmful effects of impulsive noise, the noise reduction rating (NRR) is based on the attenuation of continuous noise and may not be an accurate indicator of the protection attainable against impulsive noise such as gunfire. Constant or repetitive exposure to impulsive noise may lead to serious injury, including temporary or permanent deafness. The noise reduction rating (NNR) calculated from the attenuation data is 25dB. Earplugs must be properly fitted to attenuate noise effectively.

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