Ear Plug Dispenser Refill, Product Type Dispenser Refill, Noise Reduction Rating 33 dB, Insertion Method Roll-Down, Reusability Disposable, Earplug Shape Bullet, Earplug Pair Pack Type Loose, Earplug Size M, Pairs per Package 500, Overall Height 10 in, Overall Width 10 in, Earplug Color Red/Yellow, Overall Depth 10 in, Metal Detectable No, Refill Type Cartridge Refill, Cord Options Uncorded, Earplug Material Foam, Standards ANSI S3.19-1974, Compatible Grainger Part Number 45JW40.
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