humid conditions

Suited for food processing plants

stitch free palm for increased durability & relaxed hand feel

the disposable earplug comes in a clean

maintenance

3M Classic Disposable Earplugs 29db CL4 200PK 312-1201 Welding Protection humid conditions3M E A R Classic uncorded earplugs set the standard in hearing protection as the world's first foam earplugs. Constructed from slow recovery foam, the disposable earplug comes in a clean, convenient pillow pack. Protect your hearing at work and home with one of the worlds most popular and commonly used earplugs. 3M E A R Classic Earplugs were the industrys first foam design with a 3M proprietary slow recovery foam, engineered to protect against noise.