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With a noise reduction rating of 21 oB, these muffs handle all the noise of a woodworking shop.
The built-in microphone, speakers, and volume control allows the operator to hear normal conversation while the electronic circuit attenuates all sounds above 85 dB.
Suitable for indoor & outdoor power and construction equipment.
Two AA batteries required (not included).
Click here for instructions.
Replacement ear cushions available - click here