3M™ E-A-R™ UltraFit™ Probed Test Plugs are for use with the 3M™ E-A-Rfit™ Dual-Ear Validation System. Our earplugs are specially equipped with a probe tube for fit testing.

• Specially modified with a probe tube for fit testing 3M earplugs
• For use with 3M™ E-A-Rfit™ Validation System to measure HPE effectiveness
• Should not be used as hearing protection
• 50 pairs per box