These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M E-A-Rfit Validation System
3M is Leading the Advancement of Hearing Conservation.
Dynabrade 97570 1/2" NPT Female Safety Coupler
Dynabrade 95684 1/4" Male Coupler
Dynabrade 94980 1/4" Composite-Style Coupler, 1/4" Male
Dynabrade 97570 1/2" NPT Female Safety Coupler
Dynabrade 95684 1/4" Male Coupler
Dynabrade 94980 1/4" Composite-Style Coupler, 1/4" Male
These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M E-A-Rfit Validation System
3M is Leading the Advancement of Hearing Conservation.
Air Tool Accessories
Dynabrade 94993 1/4″ Male Composite-Style Coupler with 1/4″ Female Plug Assembly
