Description
Product Description
3M Peltor Optime 105 behind-the-head earmuffs features low-profile earcups that fit well with most helmets, Feature double-shell technology for effective hearing protection.
For noise exposures up to 105 dBA, these lightweight and comfortable Optime 105 earmuffs have a Noise Reduction Rating (NRR) of 29 dB. The proprietary Twin-Cup™ design features double-shell technology to provide effective hearing protection.
Exposure to loud noises can adversely affect the ability to hear over time. Wearing proper hearing protection devices can help in reducing the harmful effects of noise. Sound levels are expressed in decibels, often abbreviated as dB. Higher decibel numbers indicate louder sounds. Typical decibel levels associated with common sounds include: outdoors with no people or traffic 20 dB, normal conversation 60 dB, power lawn mower 90 dB, chain saw 110 dB, and 12-gauge shotgun 165 dB.
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