3M™ Combat Arms™ 4.1 Probed Test Plugs, size large are a specifically probed version of the standard earplug. This product works with the E-A-Rfit™ Validation System and allows you to conduct an earplug fittest for the 3M™ Combat Arms™ 4.1 earplug.
- 3M™ E-A-Rfit™ Test Probes for CAE 4.1
- 50 pair per case
- 3M PSD products are for occupational use only.
- NOTE: 3M strongly recommends fit testing of hearing protectors. Research suggests that many users will receive less noise reduction than indicated by the NRR due to variation in hearing protector fit, fitting skill, and motivation of the user. If the NRR is used, 3M recommends that it be reduced by 50% or in accordance with applicable regulations.
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