3M™ E-A-R™ Classic™ Probed Test Plug are a modified version of the disposable foam 3M Classic Earplugs you know and use, specially designed to be used with the 3M™ E-A-Rfit™ Dual-Ear Validation System.

• These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M™ E-A-Rfit™ Validation System
• For use with 3M™ E-A-Rfit™ Validation System to measure HPE effectiveness
• Should not be used as hearing protection
• 50 pairs per box
• 3M PSD products are for occupational use only