The Dyna-Fit Dispenser 250 is filled with 250 pairs of NP101 disposable earplugs. These have an excellent fit and offer exceptional protection due to the very high damping factor of 34 dB . Due to the special design, you retain an excellent sound and voice recognition in order to also be able to properly perceive alarm signals. These earplugs guarantee a very comfortable feeling due to the soft material and excellent fit. The smooth surface ensures hygienic application. The dispenser is for single use and can be completely recycled.