3M - 3M 311-1101 2000 Pair/Case Classic Plug with Cord

Constructed from slow-recovery foam, the disposable earplug conforms to the shape of the ear canal for premium hearing protection. Features: SECURE: Exposed cell surface texture resists movement and helps maintain an effective seal creating a comfortable, snug noise barrier. Noise Reduction Rating (NRR) 29 dB. CSA Class AL.*; OUTSTANDING COMFORT: This unique slow-recovery, low-pressure foam and special cylindrical shape help enhance comfort throughout the day by creating lower pressure in the ear canal.; SOFT SOUND-ABSORBING FOAM: Proprietary foam is initially firm to make fitting the ear plug easier, then softens once it.s in the ear to comfortably conform to the unique shape of each ear canal.; SWEAT AND HUMIDITY RESISTANT: Classic ear plugs are resistant to moisture absorption for consistent fitting even in humid environments.; VERSATILE: Use while chipping, chiseling, drilling, furnace operations, grinding, heavy equipment operations, machining, pouring/casting, power fastening, riveting, sanding, sawing and welding.; CLEAN STORAGE: Poly bag keeps earplugs clean before use, and cord allows earplugs to be stored conveniently around the neck in between uses. - Recommended Application: Assembly; Blasting; Cleaning; Demolition; Electrical; Facility Maintenance; Grinding; Machine Operation; Painting; Sanding; Welding