Free tool
When to replace every part of your CPAP.
Manufacturer-recommended cadence for filters, cushions, hose, water chamber, and headgear. Pick your machine — we'll build a personalized 12-month calendar you can download, print, or share.
25 swaps scheduled across 5 parts.
Your 12-month replacement calendar
AirSense 11 AutoSet · starting May 11, 2026
havencpap.com/tools/cpap-replacement-schedule
May 26
No swaps
Jun 26
8 Mon
Standard filter
Jul 26
6 Mon
Standard filter
Aug 26
3 Mon
Standard filter
9 Sun
Mask cushion
9 Sun
Hose / tubing
31 Mon
Standard filter
Sep 26
28 Mon
Standard filter
Oct 26
26 Mon
Standard filter
Nov 26
7 Sat
Mask cushion
7 Sat
Hose / tubing
7 Sat
Water chamber
7 Sat
Headgear
23 Mon
Standard filter
Dec 26
21 Mon
Standard filter
Jan 27
18 Mon
Standard filter
Feb 27
5 Fri
Mask cushion
5 Fri
Hose / tubing
15 Mon
Standard filter
Mar 27
15 Mon
Standard filter
Apr 27
12 Mon
Standard filter
Take it with you
Add to your calendar — or share with whoever helps you order.
Why replacement cadence matters.
CPAP supplies aren't "fail-then-replace" parts — they degrade slowly enough that you don't feel it night-to-night. By the time symptoms show up (mask leaks, sore spots, dry throat, machine noise), the part has often been past its replacement window by months.
Filters — every 2 to 4 weeks
The filter is the first line of defense between room air and your lungs. A clogged filter forces the machine to work harder, which dries out the airflow and can introduce stale-air odors. Hypoallergenic versions catch finer particles and benefit users with pets, allergies, or in dusty/wildfire-prone areas. The 2-week end of the range applies to disposable filters used in high-pollen environments; the 4-week end to standard pollen filters in clean indoor air.
Mask cushions — every 3 months
The silicone in mask cushions softens and loses its seal over time. Skin oils, sweat, and the warmth of nightly use compound the wear. A worn cushion is the #1 cause of leaks, sore spots, and the kind of bedtime ritual where you keep adjusting straps to chase a seal. Three months is the manufacturer recommendation for nearly all major mask brands (ResMed AirFit, Philips DreamWear, F&P Eson).
Hose / tubing — every 3 months
Tubing accumulates moisture, calcium deposits from humidifier water, and minute amounts of biofilm. Even daily cleaning slows but doesn't stop the buildup. Worn tubing is also a noise source — when your machine sounds louder than it used to, the hose is often the culprit rather than the motor.
Water chamber — every 6 months
The chamber's silicone seal degrades and mineral deposits accumulate. A failing seal lets pressurized air bypass the humidifier, which is why you end up with a dry throat even with the water tank full. Six months is the manufacturer-recommended replacement; if you use distilled water religiously, you can sometimes extend to nine months.
Headgear — every 6 months
The straps lose elasticity and the magnetic clips (on newer models) eventually weaken. Stretched headgear is why people over-tighten masks at bedtime — chasing a seal that's actually about the strap, not the cushion. New headgear often solves what feels like a mask problem.
Hard truths
- Insurance allowances are minimums, not optimums. Medicare typically pays for a filter every 2 weeks and a cushion every 3 months — which happens to be exactly the manufacturer recommendation. Many private plans pay less. If you're paying out of pocket and seeing visual wear sooner, replace sooner.
- Cleaning extends life, but only so far. Daily soap-and-water cleaning is essential and helpful — but it doesn't reverse silicone aging or mineral deposit accumulation. Don't use cleaning as an excuse to extend replacement.
- If the AHI on your machine creeps up, look at the supplies first. Before assuming therapy is failing, check filter age and cushion age. Worn parts are responsible for a meaningful fraction of AHI drift in long-term CPAP users.
Or just let us handle it
Haven ships every part on the schedule above — automatically.
Skip the calendar. Skip the reorder phone call. Skip the "wait, when did I last replace this?" thirty seconds before bed.