Standard Long Voice Tube for Plantronics H31,H41,H51,H61
- Standard Voice Tube for Smith Corona Aries and Alert Headsets.
- Will also fit Plantronics Supra and Starset, H31, H41, H51 and H61 headsets.
- Will NOT fit SupraPlus or Encore headsets
- These are for the older model Plantronics headsets
- Contact us with any questions regarding compatibility
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