HP 85Q67AA is a short clear voice tube replacement for compatible Poly headsets. It provides the microphone tube extension used with Tristar, Encore, SupraPlus, DuoSet and DuoPro headset families, helping restore the headset’s voice tube when a replacement is needed.
The tube is 3 inches long, and the listed package contains one voice tube. Its clear design matches the specified replacement part, Poly 29960-01, also listed under HP part number 85Q67AA.