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CPAP replacement filters for ResMed and Philips: what we list and what to check

CPAP filters are the most frequently replaced consumable on the machine — every 2 weeks for disposables, monthly for reusables. Check the filter slot your model takes before buying; prices are whatever Amazon shows you at the time. Here are the listings we have for the ResMed AirSense 10, S9 and Philips DreamStation slots.

Paid links. As an Amazon Associate, Replacer Guide earns from qualifying purchases. This page links to Amazon; the price, availability and delivery terms are the ones shown on Amazon at the time you look, and we do not reproduce them here. Links never change what we write — see how we evaluate.

Summary

Listed A–Z by the device or part each row names. We have not tested these parts, so this is not a ranking.

ListingPaid link
Philips Respironics
DREAMSTATION/DREAMSTATION
Amazon →
ResMed
S9/AIRCURVE/AIRSENSE 10
Amazon →
ResMed
S9/S10/AIRCURVE
Amazon →
Philips DreamStation
Philips Respironics
Philips Respironics DREAMSTATION/DREAMSTATION
Philips Respironics · B07Q37V78V · FITS Generic

Replacement filter for Philips Respironics DREAMSTATION/DREAMSTATION

Philips Respironics is the device this part fits. We have not confirmed who manufactures this listing.

FITS Generic

Filter set for the Philips Respironics DreamStation: disposable ultra-fine plus reusable foam pollen filter. Wash the foam monthly, replace the disposable every 2 weeks, and swap the foam every 6 months.

Full spec sheet & install guide
ResMed AirSense 10 / S9
ResMed
ResMed S9/AIRCURVE/AIRSENSE 10
ResMed · B079Z1DHBM · FITS AIRSENSE 10

Replacement filter for ResMed S9/AIRCURVE/AIRSENSE 10

ResMed is the device this part fits. We have not confirmed who manufactures this listing.

FITS AIRSENSE 10

Disposable fine filters listed for the AirSense 10 / AirCurve 10 / S9 filter slot, sold as a multi-pack. Check the slot your machine takes, and whether the listing states a filtration grade. We have not tested them.

Full spec sheet & install guide
ResMed S9
ResMed
ResMed S9/S10/AIRCURVE
ResMed · B0F9L18HQT · FITS S9

Compatible replacement for ResMed S9/S10/AIRCURVE

This is a third-party compatible filter, not made by ResMed.

FITS S9

Listed for the S9 and stated to carry over to the S10 and AirCurve. Choose this listing if your machine is the older S9 generation; check the slot before buying. We have not tested it.

Full spec sheet & install guide
Reference · Buying Advice

How to choose

CPAP filter replacement is a health decision, not just a maintenance decision. You breathe through this filter under pressure for 6-8 hours every night. A gray or discolored disposable filter should be replaced immediately — do not wait for the 2-week mark. If you have allergies, live in a dusty environment, or have pets in the bedroom, consider weekly replacement. Check the current price on Amazon before settling on a rhythm — we do not reproduce prices here.

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Federal Protection

Magnuson-Moss Warranty Act (15 U.S.C. 2301-2312) prohibits manufacturers from voiding your warranty solely for using third-party replacement parts.