Anti-noise passive LEIGHTNING family earmuffs with standard headband made of steel wire. Lightweight. Height adjustable headband in 3 positions. Robust steel wire LEIGHTNING family earmuffs construction is extremely durable and stands up to daily use and abuse without compromising comfort. Patented Air Flow Control™ technology delivers optimal attenuation across all frequencies, without increasing earcup size or weight.
Mean Attenuation (SNR) up to 31 dB
High frequency attenuation (H) up to 31 dB
Mid-frequency attenuation (M) up to 29 dB
Low-frequency attenuation (L) up to 23 dB
SNR=31 H=31 M=29 L=23