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All noise-reduction earmuffs are not equal. Conventional passive earmuffs cannot protect you against low-frequency noise.
Passive earmuffs provide good protection in the mid-range and high frequencies. In comparison, NoiseBuster extends the performance of its passive 26NRR with an additional level of noise reduction—up to 20dB–in the low-frequency range that passive can’t touch. So, if you work around motors, engines, generators, fans, vacuums, blowers, etc., you need the additional protection of a combined passive/active noise reduction solution.
ANR Safety Earmuff combines superior passive hearing protection with the most advanced active noise reduction technology (up to 20 dB) to deliver the highest performing hearing protection available.
Industrial grade, professional hearing protector. Additional low frequency protection between 20 and 800Hz. ANR attenuation: Up to 20dB, Certified 26 NRR, CSA Class A.
|Dimensions||5 x 5 x 5 in|