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About Jrenum

Berend de Boer and Philips and Ruth Poissenot together conceived of a hearing protector that was at once exceptionally effective and comfortable. The product of their work - the Jrenum line of hearing protectors - has proven to be effective in a variety of aurally hazardous environments over many years. "Jrenum" is derived from the ancient Greek word irini, which means peace.
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