Tapered shape and smooth soft texture for fit and comfort Slow-recovery foam designed for easier insertion Compatible with the 3M™ E-A-Rfit™ Validation System High visibility with neon yellow coloring makes this PPE easy to see Available with and without cords Available in two sizes-regular and large Features a Noise Reduction Rating (NRR)* of 33 dB for regular and large size in combination; 32 dB for regular size alone CSA Class AL *U.S. EPA specifies the NRR as the measure of hearing protector noise reduction. However, 3M makes no warranties as to the suitability of the NRR for this purpose.3M strongly recommends personal fit testing of hearing protectors.
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