Features CE Certified Materials: ABS, Polystyrene Collection: Earmuffs Range: Hearing Protection Standards EN 352-1 (SNR 28dB) ANSI S3.19 NRR (22dB) PW Earmuffs The PW hearing protection range includes PPE with different sound attenuation levels, to be adapted to different working environments giving the correct protection from dangerous noise, without isolating the workers. New models and colors for noise canceling allow a personalized choice. An updated line of earplugs completes our competitive and high performance offering. Hearing Protection Hearing problems occur when you are exposed to hazardous working conditions without wearing the proper protective equipment.