Replace your CPAP mask cushions every 1–2 months, the full mask, frame, and tubing every 3–6 months, headgear every 6 months, and disposable filters every 2–4 weeks. Your humidifier chamber lasts 6–12 months, and the machine itself 3–5 years. Staying on this schedule keeps your therapy effective, your equipment hygienic, and your mask sealing properly. Here's the full replacement schedule at a glance:
| CPAP component | Recommended replacement frequency |
|---|---|
| Full face, nasal, or nasal pillow mask | Every 3–6 months |
| Mask cushions or nasal pillows | Every 1–2 months |
| Mask frame | Every 3–6 months |
| Headgear and chinstraps | Every 6 months |
| CPAP tubing | Every 3 months |
| Disposable filters | Every 2–4 weeks |
| Reusable filters | Every 6 months |
| Humidifier chamber | Every 6–12 months |
| CPAP machine | Every 3–5 years, or as advised by your provider |
These are general guidelines. If your insurance covers CPAP supplies, your plan may set its own replacement schedule — and you can often replace parts more frequently than you'd pay for out of pocket.
Why does replacing CPAP equipment matter?
CPAP parts wear out, and worn parts make therapy less effective and less hygienic:
- Hygiene: masks, cushions, and tubing accumulate oils, bacteria, and mineral buildup over time, even with regular cleaning.
- Seal and leaks: a stretched cushion or worn headgear stops sealing properly, causing air leaks that reduce the pressure reaching your airway.
- Comfort: old cushions harden and create pressure points, which is one of the top reasons people abandon therapy.
- Therapy effectiveness: clogged filters and cracked tubing let the machine work harder while delivering less effective treatment.
Signs it's time to replace your CPAP mask
Even before you hit the schedule above, replace your mask or cushion if you notice:
- Visible wear — cracks, tears, discoloration, or a cushion that's lost its shape
- Increased leaks, or having to overtighten the headgear to get a seal
- Red marks, irritation, or pressure points on your face
- A mask that no longer feels or performs like it used to
What affects how often you need to replace CPAP parts?
- How you clean and store it: daily rinsing and weekly deep cleaning extend the life of cushions and tubing; skipping it shortens it.
- Skin type and facial oils: oilier skin breaks down cushion silicone faster.
- Usage hours: heavy nightly use wears parts faster than occasional use.
- Material: silicone cushions and memory-foam cushions wear at different rates.
- Environment: dust, pets, and dry climates can shorten filter life.
How to make your CPAP supplies last longer
Good care won't replace the schedule above, but it helps you get the full life out of every part. Rinse your mask cushion daily, wash headgear and tubing weekly in warm soapy water, air-dry everything out of direct sunlight, and change filters on time so the machine pulls clean air. For a full routine, see our guide on how to clean your CPAP machine, mask, and equipment.
How to stay on top of replacements
- Set reminders: a recurring phone or calendar reminder keyed to each part's schedule is the simplest system.
- Stock the fast-wearing parts: keep spare cushions and filters on hand so you're never using a worn one.
- Use insurance or HSA/FSA: supplies are eligible expenses. Request an itemized receipt to submit for reimbursement — see how to get a CPAP receipt for insurance reimbursement.
The bottom line
Replacing CPAP parts on schedule — cushions every 1–2 months, masks and tubing every 3–6 months, filters every few weeks — is what keeps therapy comfortable, effective, and hygienic. Stock up on the parts you replace most often in our CPAP supplies collection.