easy-to-clean reusable earplugs with cord smooth, dirt-repellent surface can be easily cleaned using soap and water hygienic storage of earplugs in hygiene box colour: orange version with cord meets standard EN 352-2 and the additional requirements "Signal hearing in railway track superstructure construction" (S) and "Warning signal hearing, general" (W) 23 decibels insulation – H: 24 dB, M: 20 dB, L: 17 dB with the cord, the earplugs are always conveniently at hand – in low-noise areas, the earplugs can be worn comfortably around the neck |
