3M Probed Test Plugs 50 Pairs/box 393-2004-50

These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M E-A-Rfit Validation System 50 pairs per case 3M PSD products are for occupational use only These Probed Test Plugs are suitable for testing 3M E-A-Rsoft FX Earplugs Suggested Applications