NITRAS MUTE PLUGS, earplugs, blue (colour code: 2200), made of soft and adaptable plastic, conical shape, high wearing comfort, very low feeling of pressure, easy to insert thanks to smooth surface, triple flange, with metal cord, detectable, hygienically packaged, reusable, in pairs in a storage box, box can be attached to clothing thanks to clip, attenuation values: SNR 32 dB, H 33 dB, M 30 dB, L 28 dB, PPE risk category III