NRR 29. 3M™ E-A-R™ Classic™ corded earplugs set the standard in hearing protection as the world's first foam earplugs. Constructed from slow-recovery foam, these disposable earplugs are uniquely moisture-resistant.The world's first foam earplugs and still the most widely used cylindrical earplug today. Slow-recovery foam helps ensure comfort and minimize pressure. Bright yellow color provides a quick visual compliance check. Dermatologically safe foam is non-irritating, non-flammable, and moisture-resistant. NRR 29dB. ANSI S3.19-1974; CSA Class AL. Still one of the most widely used foam earplugs today, the 3M™ E-A-R™ Classic™ earplug is an economical, reliable choice for hearing protection and hearing conservation. Slow recovery, low-pressure foam conforms to the shape of the earcanal to help create a comfortable, snug noise barrier. - Poly bag keeps each pair of disposable earplugs available or accessible for re-use.- Flame-resistant and moisture-resistant.- Corded for easy short term storage around the neck.- Noise Reduction Rating (NRR)*: 29 dB. 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™ ... More Info >
NRR 32. The bright idea in hearing protection, Laser Lite's low-pressure polyurethane foam expands gently inside the ear canal for comfortable long-term wear, while its contoured T-shape delivers easy handling. Its high-visibility magenta and yellow colors make compliance checks quick and easy. Plus, Laser Lite is available with special packaging and dispenser options, ideal for process industries with low tolerances for packaging waste. ... More Info >