A total of Two (2) Plantronics replacement in BLUE color voice tubes for use with Plantronics TriStar H81, Encore H91, H101, DuoPro H151, H161, H171, DuoSet H141 and NEW HW251, HW261, H251, H261, H351, H361 headsets as well as the Polaris PW251, PW261, P81, P91, P101, P151, P171, P141, P251, P261, P351, P361 models only. part# 29960-60

Key Features:

• 2 replacement voice tubes (cool blue)

Note: Do not order these if your Headset Model is not listed.