3M™ E-A-R™ Tracers™ Earplugs, 32 dB, with cord

3M E-A-R Tracers Earplugs, 32 dB, with cord, TR-01-000 Tracers anti-noise earplugs have the same benefits as UltraFit earplugs, but are also visible to metal detectors. In addition, they come with an easy-to-see blue cord (the only color classified as non-food related) visible to metal detectors. They are ideal for the food industry. They offer an average attenuation level of 32 dB. They meet CE marking standards.