3M™ 1100 Probed Test Earplugs 393-2010-50, 10 Pair/Bag, 5 Bags/Case, 50 Pair/Case

3M™ 1100 Earplugs equipped with a probe tube for fit testing using the 3M™ E-A-Rfit™ Validation System. Cannot be used for hearing protection. 3M™ 1100 Probed Test Plugs are specifically probed versions of the standard plug. This product works with the E A Rfit™ Validation System and allows you to conduct an earplug fit test for the 1100 and 1110 earplugs. These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M™ E-A-Rfit™ Validation System 50 PR Per Case 3M PSD products are for occupational use only. *The NRR may overestimate the hearing protection provided during typical use.