The 3M E-A-R Ultrafit are unique one Size earplugs which fits most ear canals comfortably and provides a high level of attenuation. For occasions when the convenience and the permanence of a premoulded earplug is more suitable for your requirements. Made from flexible materials that are preformed to fit the ear. This reusable plug is comfortable, hygienic and economical as it can be washed. Manufacured to EN352-2, SNR32.