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 98271 1/2" NPT Male Plug
3M™ 72013, Adapter 529-04-50, 110-120 VAC, 7000131705, 1 EA/Case
Dynabrade 98271 1/2" NPT Male Plug
3M™ 72013, Adapter 529-04-50, 110-120 VAC, 7000131705, 1 EA/Case
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.
