CPAP Filters - Replacement Filters for ResMed Machines
CPAP filters on this page are disposable replacement filters for the ResMed AirSense 11, AirSense 10, AirCurve, S9 and AirMini, plus an ultrafine filter for the Philips Respironics DreamStation. Filters ship without a prescription.
Choosing CPAP replacement filters

The filter cleans the room air before the machine sends it to your mask. Each machine generation takes its own filter size, so order by machine.
CPAP filter prices
| Filter | Fits | Price |
|---|---|---|
| ResMed disposable filters | AirSense 11, AirCurve 11 | from $3 |
| ResMed disposable filters | AirSense 10, AirCurve 10, S9 | from $3 |
| ResMed AirMini filters | AirMini | from $3 |
| Philips Respironics ultrafine filter | DreamStation | $6.99 |
Prices checked October 2026. The listings above show the current price and stock.
When to replace a CPAP filter
Replace disposable filters every 2 to 4 weeks. Change them sooner if you have pets or allergies, or if the filter looks gray. Disposable filters are not washable.
Related
What you get with Order Your Supplies
- Free shipping on US orders over $99.
- No prescription needed for the parts and supplies on this page.
- 30-day returns on unused products in sealed original packaging.
- Not sure a part fits your machine or mask? Call 307-423-0000.
Questions & answers
How often should I replace my CPAP filter?
Which filter fits my machine?
Can I wash and reuse a disposable CPAP filter?
What happens if I do not change the filter?
Do I need a prescription for these?
Can I return a part if it is the wrong one?
Need help with a different question? Contact our team or call 307-423-0000.
We’ve helped over 20,000 customers...
How may we assist you?
Our committed team is available to support you through every step of your treatment journey.