Description
Hearing Protection Fit Testing 3M E A Rfit Dual Ear Validation System, 1 kit per case, 393 1100 7000127171 (1) Hard Carrying Case (1) Hard Carrying Case The 3M™ E A Rfit Dual Ear Validation System uses F MIRE (Field Microphone In Real Ear) technology to generate a Personal Attenuation Rating (PAR)