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E-R-Rfit Validation System

The 3M™ E-A-Rfit™ Validation System measures the level of employee hearing by generating a personal attenuation rating (PAR) in just 10 seconds per ear. This simple, in-the-field test system can enhance your hearing conservation program by assisting with the selection of appropriate protectors for workers and their environments. It also serves as a tool for training proper insertion techniques. Make E-A-Rfit testing a key part of your comprehensive hearing protection program.

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