Liquid-filled cushions for extra comfort and performance. All hearing protectors are test to ANSI (American National Standards Institute) W 3.19 standard to receive a Noise Reduction Rating (NRR), which is labeled on all products as required by the EPA. 28 db OH Noise Reduction Rating. Details Liquid-filled cushions for extra comfort and performance. All hearing protectors are test to ANSI (American National Standards Institute) W 3.19 standard to receive a Noise Reduction Rating (NRR), which is labeled on all products as required by the EPA. 28 db OH Noise Reduction Rating.

Shipping Dimensions Weight: 0.707 pounds. Dimensions: 4" (W) x 10" (H) x 8.75" (D) Weight Disclaimer: * Weight may vary based on configuration.

Product SKU: 4164