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Key Features

  • Adaptiseal silicone cushion – Conforms to facial contours for a secure, low-contact seal that minimizes leaks during sleep.
  • OEM AirFit F40 replacement – Exact fit for the AirFit F40 mask frame; no modifications or adapters needed.
  • Three sizes available – Small-Wide, Medium, and Large to match your current mask cushion size.
  • Minimal facial contact – Low-profile under-nose design reduces pressure points for side sleepers and active sleepers.
  • Easy daily cleaning – Detaches from the frame in seconds for quick hand-washing and air drying.
  • Description
  • Parts
  • Specs
  • Included Items
  • Reviews 53
  • Q&A

The ResMed AirFit F40 Full Face CPAP Mask Cushion is the OEM Adaptiseal replacement cushion for the AirFit F40 mask — the direct swap when your current cushion starts to lose its seal, feel stiff, or show visible wear. Available in Small-Wide, Medium, and Large to match your existing mask setup exactly.

The Adaptiseal silicone design conforms to your facial contours to create a consistent, leak-resistant seal with minimal forehead and nose bridge contact. Replacing the cushion on schedule — every 1–3 months — restores the fit and seal performance of your mask without replacing the entire frame and headgear assembly, making it a cost-effective part of regular CPAP maintenance.

Related parts
ResMed AirFit™ F40 Full Face CPAP Mask
Save 32%
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ResMed AirFit F40 Full Face CPAP Mask with Headgear
$129.00
$189.00
Manufacturer RedMed
Warranty 90 Days Limited Manufacturer Warranty
HCPCS Code A7031, A7035

1 × ResMed AirFit F40 Adaptiseal Cushion (size selected at checkout)

Customers Questions & Answers

0
Q: How often should I replace the cushions on my ResMed AirFit F40 mask, and are there any signs that indicate it's time for a replacement?

A: It is recommended to replace the cushions every 1-3 months or as needed. Signs that indicate replacement include wear and tear, leaks, or discomfort.

1
Q: Can I clean the cushions of my ResMed AirFit F40 mask, and if so, what is the best way to do it without damaging them?

A: Yes, you can clean the cushions with mild soap and water. Ensure thorough rinsing and drying before reassembling. Avoid using harsh chemicals.

2
Q: How do I know if the cushion size of my ResMed AirFit F40 mask is correct for me, and what should I do if I experience leaks or discomfort?

A: The cushion should create a secure seal without causing pressure points. If leaks or discomfort occur, try adjusting the fit or consider trying a different size.

3
Q: Can I use any type of mask cleaning wipes or solutions on the cushions of my ResMed AirFit F40, or should I stick to specific products recommended by the manufacturer?

A: It is best to use cleaning products recommended by the manufacturer to avoid damaging the cushions. Avoid harsh chemicals that may degrade the material.

4
Q: Is it normal to experience skin irritation or red marks from wearing the ResMed AirFit F40 mask, and how can I prevent or alleviate these issues?

A: Some skin irritation is normal initially but should improve. Ensure the mask is not too tight, clean the skin before use, and consider using a barrier cream.

5
Q: How should I store the cushions of my ResMed AirFit F40 mask when not in use to maintain their quality and prolong their lifespan?

A: Store the cushions in a clean, dry place away from direct sunlight. Avoid folding or creasing them to prevent damage or distortion.

6
Q: Can I purchase extra cushions for my ResMed AirFit F40 mask to have as replacements, and where can I find them for purchase?

A: Yes, you can purchase additional cushions as replacements. They are available for purchase from authorized ResMed dealers, online retailers, or medical supply stores.

7
Q: What should I do if I notice persistent leaks or fit issues with my ResMed AirFit F40 mask cushions despite trying different sizes or adjustments?

A: Contact your healthcare provider or a ResMed representative for further guidance. They can help troubleshoot the issues and recommend suitable solutions for better comfort and performance.

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Product Information:
Manufacturer
RedMed
Fisher & Paykel
ResMed
Mask Type
Full Face
Full Face
Warranty
90 Days Limited Manufacturer Warranty
90-Days Manufacturer Warranty
90 Days Limited Manufacturer Warranty
HCPCS Code
A7031, A7035
A7034
A7034, A7035
Color
Clear
Clear
Comfort and Fit:
Facial Hair
No
Yes
Stomach Sleepers
No
No
Active Sleepers
Yes
Yes
Maintenance and Replacement:
Compatibility:
Tube Connection
Standard CPAP
Carrying Case
Not Included
Not Included

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FAQs

How often should I replace my AirFit F40 cushion?
It is recommended to replace the ResMed AirFit f40 mask cushions every 3-6 months to maintain an effective seal and optimal therapy. Silicone cushions tend to soften over time, and regularly replacing your f40 CPAP mask cushion helps ensure you continue to receive the benefits of an effective seal and optimal therapy from your CPAP device.
How do I clean my AirFit F40 cushion?
The AirFit f40 cushion, along with the vent ring, short tubing, and elbow, should be cleaned daily. It is recommended to refer to your AirFit f40 mask User Manual for complete cleaning instructions to ensure proper maintenance and longevity of your mask components.
What are the size options for the AirFit F40 cushion?
The ResMed f40 cushion is available in three sizes: small-wide, medium, and large, allowing users to find the perfect fit for their facial structure and achieve an optimal seal during therapy.
What is the material of the AirFit F40 cushion?
The entire f40 mask cushion is made of soft and comfortable silicone material. This silicone construction is designed to move and adapt to the contours of the face, providing and maintaining an effective seal throughout the night for a comfortable therapy experience.
Can I use a different size cushion with my existing F40 mask frame?
Yes, all ResMed f40 Masks use a single frame size, which means any AdaptiSeal Full Face cushion can be used with any F40 series mask frame. If you need to change the size of your mask, you can simply purchase a different cushion size and attach it to your existing f40 ResMed mask frame.
What is the AdaptiSeal technology in the AirFit F40 cushion?
The AdaptiSeal technology in the ResMed mask cushion ensures that the cushion rests securely under your nose and stays in place, no matter how you move during the night. It is designed to support compliance and provide a soft silicone cushion that adapts to the face and seals securely for an effective and comfortable therapy experience.