Description
- 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 chiselling 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 Package designed for distribution through a vending machine
The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.