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/Box
3M™ Earplugs 1261 and 1271 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.