3M 340-4017 - The 3M E-A-R UltraFit corded earplugs features a proprietary, premolded, triple-flange design that fits comfortably in most ear canals. Metal-detectable ball bearing for high detectability. - Regular | Stauffer
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3M High Fidelity Earplugs with Black Laser-engraved keychain container Clear YER1730306 - Best Buy
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