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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