NITRAS MUTE DEFENDER PRO, ear defender for helmets, black / yellow (colour code: 1043), soft and comfortable ear pads, ergonomically shaped, high wearing comfort, very low feeling of pressure, infinitely adjustable height, steel brackets, Euroslot system for easy attachment to helmets, attenuation values: SNR 32 dB, H 32 dB, M 31 dB, L 24 dB, premium quality, matching article 9500, PPE risk category III