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How to handle hearing aid filters and wax guards

Find guidance on replacing and maintaining filters and wax guards to protect your hearing aids and ensure clear sound quality.
Published 7/15/2024,
Updated 1/31/2025
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Changing filters

How to change hearing aid filters?

1. Wash your hands thoroughly

2. Gather your supplies

  • Replacement filters (often provided with your hearing aids).

  • Filter-changing tool (usually included with the filters).


3. Remove the old filter

  • Use the removal end of the tool to gently pull out the old filter from the hearing aid.

  • If the filter is clogged or stuck, take your time to avoid damaging the device.


4. Insert the new filter

  • Use the new filter end of the tool to pick up a fresh filter.

  • Insert the new filter into the opening and press gently until it clicks into place.


5. Dispose of the old filter

  • Properly discard the used filter.


6. Check your hearing aid

  • Ensure the filter is secure and the hearing aid is functioning properly.
  • Tips

    • Replace filters regularly, typically every 1–2 weeks or when sound becomes muffled.

    • Handle your hearing aids carefully to avoid damaging the microphone or receiver.
Frequency of changing filters

How often should hearing aid filters be replaced?

Regular replacement

  • Replace your hearing aid filters every 4 to 8 weeks to maintain optimal performance.


Signs to replace sooner

  • Sound is muffled or weaker than usual.

  • Hearing aid stops working, even with a fresh battery.

  • Visible wax or debris on the filter.


Personal factors

  • If you produce more earwax, you may need to replace filters more frequently.

  • Humid or dusty environments can also clog filters faster.

Routine check

  • Inspect filters weekly for signs of buildup.

  • Establish a regular schedule to prevent unexpected issues.


Consult your provider

If unsure, ask your hearing care professional for personalized advice on replacement frequency.

Changing wax guards

How to change hearing aid wax guards?

  1. Wash your hands

    This prevents dirt from getting into your hearing aid.

  2. Open the battery door

    This exposes the receiver.

  3. Gently remove the old receiver

    Use a gentle, twisting motion if necessary.

  4. Insert the new receiver

    Make sure it's snug but not forced. 

  5. Close the battery door

    Securely close the battery door to protect the receiver.

  6. Turn on your hearing aid and test the sound

    Ensure the new receiver is working correctly.
  • Tip

    • Store receivers in a clean, dry place.
Frequency of replacing wax guards

How often should hearing aid wax guards be replaced?

It depends on your earwax production

  • Heavy earwax

    Replace daily.

  • Moderate earwax

    Replace weekly.

  • Light earwax

    Replace monthly.
 
  • Tip

    • Always check your wax guards regularly, especially after swimming or showering. Replace them if they are blocked or discolored.
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