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E-A-Rfit

Are Your Workers Protected?

3M™ E-A-Rfit™ Dual-Ear Validation System Right Fit Test, Right Now ST. PAUL, Minn. - Do you know what level of protection your employees are receiving from their hearing protectors? Now you can with a field attenuation estimation system (FAES). FAES is a quantitative method for individual fit testing hearing protection devices (HPDs). This technical bulletin describes the 3M™ E-A-Rfit™ Dual-Ear Validation System and

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