Uvex 2112-023 Com4-Fit Dispenser Refill Ear Plugs SNR33 (Pack 300)Code: 651157000 The uvex com4 fit is comfortable for wearers with narrower auditory canals. The uvex com4 fit has a sealed surface, preventing foreign bodies from penetrating the plug. SNR: 33dB. 300 pairs. Pack of 300 Uvex 2112 023 Com4 Fit Dispenser Refill Ear Plugs SNR33 (Pack 300) Uvex com4 fit uncorded disposable ear plugs are suitable for those with narrower ear canals. Easy, comfortable, secure fitting. X emboss reduces pressure on ear canal