For correct product selection and use, individuals should consult their on-site safety professional or industrial hygienist. PELTOR Hearing Protection | 3M Canada The M-985 Earmuff Assembly allows 3M™ Versaflo™ M-100 Series and M-300 Series users to use headgear-mounted earmuffs. Includes one pair of Peltor™ H31... M-985 earmuff assembly for Versaflo M-100 and M-300 products , NRR 24 This 3M personal protective equipment must be used in compliance with the Occupational Safety and Health Administration (OSHA) Personal Protective Equipment (PPE) standard (29 CFR 1910., 132) and all other applicable health and safety standards, as well as all user instructions, warnings and limitations accompanying each product. 3M Peltor Optime Series101 H7P3E Helmet Mounted Earmuffs 7000009668... 3M PSD products are for occupational use only 3M Replacement Earmuffs 3M PELTOR Conjunto De Orejeras M-98537333AAD Para Productos Versaflo M 100 Y M 300 Par 1 Ea Case Colombia X5 Earmuffs X5B The NRR may overestimate the hearing protection provided during typical use