Genuine Peltor Optime II Headband hearing protectors, Kramp article number KRAMP-H520A407GQ, designed for demanding noise-filled environments. These protectors effectively attenuate even extremely low frequencies with an SNR of 31 dB. The sealing rings feature a unique liquid and foam combination for optimal seal and low pressure, ensuring high comfort during extended use. Equipped with ventilation channels and covered with a soft, hygienic film. Suitable for heavy industrial noise, construction machinery, airports, and agricultural work. Features a green ABS construction, weighing 0.21 kg, and conforms to EN 352-1:2002 standard.