3M E-A-R Classic SuperFit 33 Earplugs 310-1008, Uncorded, Pillow Pack, 2000 Pair/Case

Note: This product has been discontinued by the manufacturer, 3M Corporation. Orange "fitting ring" provides a guideline for proper insertion and quick visual compliance check. Reusable Pillow Pack helps keep earplugs clean when they are not being worn. Test compatible with 3M E-A-Rfit Validation System. Noise Reduction Rating (NRR)* 33 dB. CSA Class AL. Flame resistant for potential arc flash situations and safer storage The E-A-R Classic SuperFit 33 orange €œfitting ring" provides a guideline for proper insertion and quick visual compliance check. Another innovation from 3M, E-A-R Classic SuperFit 33 has a built-in visual check - the orange fitting ring. If the ring is visible after insertion, refitting is recommended for best hearing protection. - Reusable Pillow Pack helps keeps earplugs clean when they are not being worn. - Conforms to the shape of the earcanal to help create a comfortable, snug noise barrier - Slow-recovery earplug foam is flame-resistant and moisture-resist