TEST PLUGS TRI FLANGE 393-2011-50 E.A.R. 3M CASE 50PR

3M™ Tri-Flange™ Probed Test Plugs to be used in conjunction with the 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
• Accurate objective data is collated & delivered within 8 seconds