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Buzzer MD22

Buzzers MD22-BIP and MD22-BUZZ. The MD22 buzzers, monoblocks, are intended for building in standardized Ø22.5mm holes – drilled in various
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Buzzer NEF30

Buzzers NEF30-BIP and NEF30-BUZZ. The NEF30 buzzers are intended for building in standardized Ø30.5mm holes – drilled in various types