The Uvex Com4 Fit Refill Box contains 300 unCorded plugs, bulk packed. Suitable for use with the Uvex earplug dispenser (UV2112000), they have a rating of SNR 33dB and feature a tapered shape that fits the natural shape of the ear canal. Easy and comfortable with secure fitting, the xemboss helps reduce pressure on the ear canal. Suitable for Smaller ear canals, these low pressure sealed PU foam Earplugs reduces the potential for contamination and gently expand to fit the size and shape of the ear canal. Highly visible, the Uvex Com4 Earplugs are compatible with other items of PPE EN352-2.