3M™ E-A-Rsoft™ yellow Neon™ Blasts™ earplugs in a refill container for one Touch™ dispenser 391-1000. Yellow Neon™ Blasts™ earplugs seal the earcanal with soft, slow-recovery foam for excellent noise reduction and comfort. Exciting flame graphic on each earplug. These uncorded foam earplugs offer a soft, low pressure solution for comfortable wear. Packaged in convenient refill bottles to fit your one Touch™ dispenser 391-1000. Refill container for one Touch™ dispenser. One gentle turn delivers uncorded foam earplugs. Regular size fits most earcanals. Shaped, self-adjusting foam provides a comfortable, low pressure seal. Soft foam earplugs are easy to roll down and insert, then expand within the earcanal for maximum comfort. Noise reduction rating (NRR) - 33dB. CSA class AL. Test compatible with 3M™ E-A-Rfit™ validation system. 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. 3M™ is leading the advancement of hearing Conservation™.