3M™ E-A-R™ UltraFit™ Earplugs 27, Yellow, Uncorded - 400 Pairs Per Case

3M™ E-A-R™ UltraFit™ Earplugs 27, Yellow, Uncorded - 400 Pairs Per Case 3M™ E-A-R™ UltraFit Corded Earplugs feature a proprietary, premolded, triple-flange design that fits comfortably in most ear canals. These durable, corded reusable earplugs are easy to use again and again, reducing waste. Push-to-fit products provide in-ear comfort and convenience, with the hearing protection you expect from 3M. 3M™ E-A-R™ UltraFit™ Metal Detectable Earplugs were specially developed for food processing and other industries where it is critical to keep earplugs from contaminating products and processes. Recognized by most metal sensing systems, these earplugs feature an implanted stainless steel ball bearing. Push-to-fit products provide in-ear comfort and convenience, with the hearing protection you expect from 3M. Details: Noise Reduction Rating (NRR)*: 27 dB. CSA Class AL. A poly bag keeps earplugs clean and accessible for reuse. Single size fits comfortably in most ear canals. Triple-flange provides proven protection without rolling or touching the plug during insertion.