Plantronics 29960-01 Headset Clear Voice Tube - Microphone Tube

For use with H81, H91, H101, H141, H171, H251, H261, H351, H361

Replacement clear voice tube for Plantronics H81, H91, H101, H171, H251, H261, H351, and H361 model headsets.  This microphone tube extension is required for crisp, clear communication when using a headset.  It  is recommended by Plantronics, the manufacturer, to be replaced every 6-months.