3M headphones noise-reducing 31dB H520A 1440

H520A noise-reducing headphones have been developed for very loud environments and attenuate even very low frequencies to the highest level.
• Attenuation value: 31 dB
• Cushioning is a combination of liquid and foam for an optimal seal with less pressure, providing comfort even after hours of use.
• The ear cups are equipped with ventilation channels and lined with a soft, hygienic foil.
• Headband is padded and wrapped so that it can be easily wiped clean
• Areas of application: Noisy industrial environments and for the construction, airport and agricultural sectors
• Material: ABS
• CE 0403 (EN 352-2:2002)