3M E-A-R Classic Plus Probed Test Plugs 393-2009-50, 50 EA/Case 390-1262 Advanced MT33 Boom Microphone -

Advanced MT33 Boom Microphone - 18dB noise cancellation (3x better than legacy mics) for clear transmission in extreme noise environments

Agriculture

High-Gain Specialty Antenna for Cellular/PCS Applications

Optimized for Cradlepoint: Perfect companion for Cradlepoint routers and advanced mobile broadband solutions

Universal Fit: Proprietary design fits comfortably in most ear canals

3M E-A-R Classic Plus Probed Test Plugs 393-2009-50, 50 EA/Case 390-1262 Advanced MT33 Boom Microphone -These test earplugs are modified with a probe tube for use during earplug fit testing with the 3M E A Rfit Validation System 50 PR Per Case 3M PSD products are for occupational use only. *The NRR may overestimate the hearing protection provided during typical use. 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