HD420 Sound Tube Single Pack
What Is It?
- A single HD420 thin tube
What Does It Do?
- Choose Left or Right
- Choose from short, standard, long, or very long
- Tubing should last up to three months dependent upon use.
- Change when discolored or when it becomes less flexible
Can Be Used With:
- For use with HD 420 Digital Hearing Aid only
- Attach Domes size 5, 7, 10 or Tulip on end
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