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 30 dB
High frequency attenuation (H) up to 31 dB
Mid-frequency attenuation (M) up to 28 dB
Low-frequency attenuation (L) up to 23 dB
SNR=30 H=31 M=28 L=23