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3M 7000148551 is a probed test earplug designed for use with the 3M E-A-Rfit validation system. The large, tapered polyurethane probe-style plug is supplied in cases of 50 pairs and is intended for occupational and industrial hearing protection fit testing and health and safety testing. The product carries CSA Class ALN/A and includes a caution that the NRR may overestimate protection during typical use.
Probed test earplug for E-A-Rfit validation; large tapered polyurethane design; 50 pairs per case for occupational fit testing.
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