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 System3M is Leading the Advancement of Hearing Conservation™.

• 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.