ProChoice Probell Refill Bag For Dispenser Uncorded 

Class 5, SLC80, 27dB,Hearing protection for noise levels to 110dB(A),ProPlug Bell shape delivers maximum comfort,Brightly coloured offering high visibility for worker compliance,Superior design makes it easier to insert and reduces tendency to back out of the ear,Bulk 500 pair refill pack for EPDS500A Dispenser