Plantronics 29960-01 Voice Tube Clear
Pack includes a total of THREE Plantronics replacement clear voice tubes. For use with Plantronics TriStar H81, Encore H91, H101, DuoPro H151, H161, H171, DuoSet H141 and NEW SupraPlus H251, H261, H351, H361 headsets as well as the Polaris P81, P91, P101, P151, P171, P141, P251, P261, P351, P361 models only.