Protective Ear Plug Refill 35 dB Disposable EN 352-2 500 Pair - 3M EAR 1100B, The 3M™ Refill attachment fits on the One Touch™ dispenser – an ideal and practical storage device for earplugs. The Refill attachment (1100B) contains 500 pairs of hearing protection plugs of the 3M model 1100. 3M 1100B Protective Ear Plug Refill 35 dB Disposable EN 352-2 500 Pair
