3M E-A-Rsoft Yellow Neons Probed Test Plugs 393-2000-50, 50 EA/Case

These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M E-A-Rfit Validation System 50 pair per case 3M PSD products are for occupational use only. *The NRR may overestimate the hearing protection provided during typical use. Earplugs equipped with a probe tube for fit testing using the 3M E-A-Rfit Validation System. Cannot be used for hearing protection. These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M E-A-Rfit Validation System 3M is Leading the Advancement of Hearing Conservation.