Easy-to-clean reusable, detectable earplugs with cord Smooth, dirt-repellent surface can be easily cleaned using soap and water Hygienic storage of earplugs in hygiene box Colour: blue Meets standard EN 352-2 and the additional requirements "Signal hearing in railway track superstructure construction" (S), "Signal hearing in road traffic" (V), "Warning signal hearing, general" (W) and "Signal hearing for locomotive drivers in railway operations" (E1) 27 decibels insulation - H: 27 dB, M: 24 dB, L: 22 dB Integrated metal parts and blue colour enable easy recognition in production areas
