3M 19078 E-A-R E-Z-Fit Probed Test Plugs 393-2005-50, 50 EA/Case
Y-Harness for mounting a boom microphone to the left earcup and enabling connection to a PTT adapter for two-way radio communication 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. 7000127699 - 10080529190786