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3M™ E-A-R™ Classic™ Probed Test Plugs equipped with a probe tube for fit testing using the 3M™ E-A-Rfit™ Validation System.
3M™ E-A-R™ E-A-Rsoft™ Yellow Neons Probed Test Plugs are equipped with a probe tube for fit testing using the 3M™ E-A-Rfit™ Validation System.
Test ear plugs are modified with a probe tube for use during ear plug fit testing with the 3M™ E-A-Rfit™ Validation System