Hearing Protection Fit Testing - 3M E-A-R Ultrafit Probed Test Plugs, (Case of 50 pairs), 393-2001-50 M1-5-6100 The system measures the effectiveness

The system measures the effectiveness of the hearing protection from inside the employee's ear to provide accurate quantitative results

These Blades are for use with most standard scroll saws on the market

Compatible with most hard

which helps reduces the spread of germs and dirt (guests only touch the towel they use)

Hearing Protection Fit Testing - 3M E-A-R Ultrafit Probed Test Plugs, (Case of 50 pairs), 393-2001-50 M1-5-6100 The system measures the effectivenessItem #: 393 2001 50 3M Stock #: 7000002387 3M E A R Ultrafit Probed Test Plugs are equipped with a probe tube for fit testing using the 3M E A Rfit Validation System. These earplugs cannot be used for hearing protection. Earfit Global Crossover Guide