A low-cost, high fidelity earplug that closely replicates the ear’s natural frequency response. Music sounds clear and natural, with levels reduced by 20 dB to protect your hearing. The ER-20 uses secure triple-flange silicone insertion plugs for a secure seal and comfortable fit. Available in regular and large sizes. Supplied with a clear plastic storage case.
Available in both standard and large fit, in your choice of plastic clamshell or metal container
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