CPAP Filters

Replacement filters protect you from allergens and keep your CPAP machine running smoothly. Shop our wide selection of CPAP filters below.

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  1. F&P Sleepstyle Air Filter Single

    F&P Sleepstyle Air Filter Single

    $5.00
  2. Fisher & Paykel Diffuser Filter

    Fisher & Paykel Diffuser Filter

    $9.95
  3. 3B RESmart Filters

    3B RESmart Filters

  4. Fisher & Paykel Eson™ 2 Nasal Mask Diffuser

    Fisher & Paykel Eson™ 2 Nasal Mask Diffuser

    $18.00
  5. Fisher & Paykel Disposable Filter for HC230 and HC600 Series

    Fisher & Paykel Disposable Filter for HC230 and HC600 Series

  6. Transcend Auto EZEX Disposable Filter

    Transcend Auto EZEX Disposable Filter

  7. DreamStation Disposable Ultra-Fine Filter

    DreamStation Disposable Ultra-Fine Filter

  8. APEX XT Filter Non-Disposable

    APEX XT Filter Non-Disposable

  9. Disposable DeVilbiss Air Inlet Filters

    Disposable DeVilbiss Air Inlet Filters

  10. Disposable C-Series Tango/S8 Filter

    Disposable C-Series Tango/S8 Filter

  11. In-Line Bacterial Viral Filter For CPAP/BIPAP Machines

    In-Line Bacterial Viral Filter For CPAP/BIPAP Machines

    $2.90
  12. Respironics REMstar Pollen Filter

    Respironics REMstar Pollen Filter

  13. Respironics REMstar Choice Disposable Filter

    Respironics REMstar Choice Disposable Filter

  14. Respironics REMstar Pro and REMstar Plus Disposable Filter

    Respironics REMstar Pro and REMstar Plus Disposable Filter

  15. Respironics Foam Pollen Filters

    Respironics Foam Pollen Filters

  16. Sandman Ultrafine Filter

    Sandman Ultrafine Filter

  17. Reusable Pollen Filter for the Dreamstation

    Reusable Pollen Filter for the Dreamstation

  18. Fisher & Paykel Brevida Washable Diffuser

    Fisher & Paykel Brevida Washable Diffuser

  19. REMStar Pro/REMStar Plus Non-Disposable Filter

    REMStar Pro/REMStar Plus Non-Disposable Filter

  20. Fisher & Paykel Eson Diffuser Filters, Pack of 10

    Fisher & Paykel Eson Diffuser Filters, Pack of 10

    $15.99
  21. Fisher & Paykel HC220 Series Filters

    Fisher & Paykel HC220 Series Filters

  22. Respironics Ultrafine Disposable Filter

    Respironics Ultrafine Disposable Filter

  23. Hypoallergenic Disposable Filter for ResMed S9 and Air 10

    Hypoallergenic Disposable Filter for ResMed S9 and Air 10

  24. ResMed S9 Ultra Fine Filters (1 filter)

    ResMed S9 Ultra Fine Filters (1 filter)

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CPAP filters not only protect your health, but also the health of your CPAP unit. An air filter captures the dust, pollen, mold, pet dander, and other allergens that could otherwise end up in your airways or build up in your CPAP.

CPAP filters are designed to work with your specific model of CPAP, BiPAP, APAP, or in some cases, CPAP mask.

Types of CPAP Filters

  • Disposable CPAP Filters - Typically made of polyester or mesh paper, and are designed to be replaced regularly
  • Reusable Foam Filters - Designed to be reused for up to 6 months, but should be washed regularly
  • Bacteria Filters - Also called hypoallergenic filters, these in-line filters are a separate and optional type of filtration
  • CPAP Mask Diffuser Filters - Some CPAP masks include diffuser filters which break up exhaled air to make it quieter and softer

Can You Wash and Reuse CPAP Filters?

That depends on the type of CPAP machine filter! Reusable foam filters can and should be washed regularly. Wash this kind of filter with warm, soapy water once a week along with your other CPAP supplies. Be sure to rinse it thoroughly and allow it to dry completely before reusing it.

Disposable CPAP filters are usually made of a fine paper or polyester, which can be damaged by water, and should not be washed.

How Often Should I Change the Filter on My CPAP?

To keep your CPAP therapy both effective and hygienic you should replace your CPAP air filter regularly, regardless of the type of filter.

  • Disposable Filters - Every 30 days, or sooner if discolored
  • Reusable Filters - Every 6 month, or sooner if the foam is damaged
  • Bacteria Filters - Every 30 days, or sooner if discolored

What Happens If I Don’t Clean/Replace My CPAP Filter?

Remember that your CPAP therapy is part of a healthcare regimen. Allergens like dust, mold, pollen, and pet dander can irritate your airways and worsen your sleep apnea.

Worse yet, without CPAP filters, the buildup of contaminants can turn your CPAP machine into a breeding ground for germs and bacteria. To keep you safe and to prolong the life of your CPAP equipment, you should always clean and replace your CPAP filters as recommended.