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� 1100 and 1110 earplugs




Suggested Applications
For use with 3M� E-A-Rfit� Validation System to measure HPE effectiveness