Replace your CPAP mask every one to three months, depending on the mask type and how much you use it

A CPAP mask — the part that sits on your face and delivers air from the machine — wears out faster than the rest of your equipment. The cushion hardens, the seal weakens, and air starts leaking around the edges instead of into your airway. When that happens, the machine has to work harder, your sleep suffers, and you may wake up gasping or frustrated.

Most manufacturers recommend replacing the mask cushion every one to three months. Full-face masks (which cover nose and mouth) typically need replacement closer to the one-month mark because the larger cushion takes more pressure. Nasal masks and nasal pillows last longer — often two to three months — because they are smaller and experience less wear. If you use your machine every night, you are at the shorter end of that range. If you use it four or five nights a week, you can stretch toward three months.

The frame of the mask — the plastic shell and headgear — can last six months to a year if you clean it properly and do not drop it. But the cushion is the part that fails first, and replacing just the cushion is cheaper than buying a whole new mask.

Key Takeaways

  • CPAP mask cushions should be replaced every one to three months; full-face masks need it sooner than nasal masks.
  • A hardened or leaking cushion forces your machine to work harder and reduces the pressure reaching your airway, which defeats the purpose of treatment.
  • You can buy replacement cushions separately for much less than a full mask, and they take two minutes to swap out.
  • Cleaning your mask daily with mild soap and water, and letting it air dry, extends the life of the cushion by a few weeks.
  • Insurance often covers one or two replacement masks per year, so check your plan before paying out of pocket.

Signs your mask cushion needs replacing now

Do not wait for the calendar. Replace the cushion sooner if you notice air leaking around the edges, even when you tighten the headgear straps. A leak means the cushion has lost its shape and will not seal properly no matter how hard you pull. You will hear a hissing sound, feel air on your face instead of in your nose, or see condensation forming on the inside of the mask frame instead of traveling down the hose.

A hardened or cracked cushion is another clear sign. Press your finger into the cushion — it should feel soft and slightly spongy. If it feels stiff, plastic-like, or has visible cracks or discoloration, it has degraded and will not hold a seal. Some people also notice skin irritation or red marks that do not fade after a few minutes of removing the mask; this often means the cushion is no longer distributing pressure evenly.

If you have been using the same mask for more than three months and you are waking up tired or gasping, the cushion is likely the culprit. Replacing it often solves the problem without needing a new machine or a doctor visit.

How to extend the life of your mask cushion

Clean your mask every morning with lukewarm water and a drop of mild dish soap. Rinse it thoroughly and let it air dry on a clean cloth — do not use a towel that has been sitting in a damp bathroom. Moisture and soap residue break down the silicone or gel material faster. Never soak the mask overnight or put it in the dishwasher, even if the manufacturer says it is dishwasher-safe; the heat and harsh detergent accelerate wear.

Store the mask in a clean, dry place away from direct sunlight. UV light degrades silicone and gel cushions, so do not leave it on your nightstand in a sunny window. Keep it in a drawer or a mask case if you travel. Avoid touching the cushion with oily skin or hands — oils break down the material. If you use a humidifier with your machine, empty and dry the humidifier chamber daily; mineral deposits and mold can transfer to the mask and damage the cushion.

Handle the mask gently when putting it on and taking it off. Do not yank the headgear straps or bend the frame. Small cracks and tears in the cushion often start from rough handling and grow larger over time. If you drop the mask, inspect the cushion for damage even if it looks fine at first glance.

Replacement cushion costs and where to buy

A replacement cushion alone costs between $20 and $60, depending on the mask model and where you buy it. A full replacement mask costs $100 to $300. Buying just the cushion saves money and is usually all you need unless the frame is cracked or the headgear straps are torn.

You can buy replacement cushions from your CPAP equipment supplier, online retailers like Amazon or ResMed's official store, or directly from the mask manufacturer. Prices vary, so compare before ordering. Some suppliers offer bulk discounts if you buy three or six cushions at once, which makes sense if you know you will need them every few months anyway.

Check whether your insurance covers replacement masks or cushions. Many plans cover one or two masks per year under durable medical equipment (DME) benefits. If your plan does, you may pay only a copay or coinsurance instead of the full price. Call your insurance company or ask your equipment supplier to check your coverage before you buy.

Different mask types, different replacement schedules

Full-face masks cover your nose and mouth and deliver air to both. The cushion is larger and experiences pressure from both sides, so it wears out fastest — usually within four to eight weeks of nightly use. If you breathe through your mouth at night or sleep on your stomach, a full-face mask may wear even faster because the seal is constantly being disturbed.

Nasal masks cover only your nose and are smaller and lighter. The cushion lasts longer — typically eight to twelve weeks — because it handles less pressure and movement. Nasal masks are popular for people who sleep on their side or back and do not mouth-breathe.

Nasal pillows are the smallest option; they sit just inside your nostrils and do not cover the bridge of your nose. The cushions are tiny and can last ten to twelve weeks or longer because they experience the least pressure and friction. However, they are also the easiest to dislodge if you move around a lot in your sleep.

Regardless of type, if you use your machine every single night, you will replace the cushion more often than someone who uses it four nights a week. Nightly use means daily wear, and daily wear adds up faster.

What happens if you do not replace the cushion

A worn-out cushion does not seal properly, so air leaks out around the edges instead of flowing into your airway. Your CPAP machine responds by increasing pressure to compensate, which makes the machine louder and less comfortable. You may wake up with a dry mouth, a sore nose, or red marks on your face. Over time, you might stop using the machine because it feels ineffective or uncomfortable, which defeats the entire purpose of treatment.

Sleep apnea — the condition CPAP treats — means your airway collapses repeatedly during sleep, cutting off oxygen. If your mask is not sealing properly, the machine cannot deliver the pressure needed to keep your airway open. You will have more breathing interruptions, worse sleep quality, and higher risk of heart problems and stroke. Using a worn-out mask is almost like not using the machine at all.

Frequently Asked Questions

Can I clean and reuse a CPAP mask cushion instead of replacing it?

No. Cleaning extends the life of the cushion, but it does not restore a hardened or cracked one. Once the silicone or gel loses its shape and elasticity, washing it will not bring it back. You can clean the same cushion for a few weeks, but eventually it must be replaced.

Does insurance cover CPAP mask replacement?

Many insurance plans cover one or two replacement masks per year under durable medical equipment benefits. Coverage varies by plan and insurer. Contact your insurance company or ask your CPAP supplier to check your specific coverage before you buy.

What is the difference between a mask cushion and a mask frame?

The cushion is the soft silicone or gel part that touches your skin and creates the seal. The frame is the plastic shell and headgear that holds the cushion in place. The cushion wears out much faster and can be replaced separately. The frame lasts longer but should be replaced if it cracks or the straps tear.

Can I use a different brand's cushion on my mask?

No. Cushions are designed for specific mask models and brands. Using the wrong cushion will not seal properly and may damage your mask. Always buy a replacement cushion that matches your exact mask model.

How do I know which cushion size to order?

Check the model number on your mask frame — it is usually printed on the plastic. Write down the full model name and number, then order the replacement cushion for that exact model. Your CPAP supplier can also look up the right cushion if you give them the mask model.