Description
Quick answer: The ResMed AirFit F20 is one of the most widely used full face CPAP masks — it covers the nose and mouth and is known for a plush InfinitySeal™ cushion that fits a very wide range of faces in few sizes. It’s a complete system: frame, cushion, and headgear. The standard version uses magnetic lower headgear clips for easy on/off; a non-magnetic version is available for people who need to avoid magnets. Available in sizes. A prescription is required.
What’s included
- 1 × AirFit F20 frame (with elbow)
- 1 × InfinitySeal™ cushion (in your selected size)
- 1 × SoftEdge™ headgear (with clips)
You’ll need your own CPAP machine and tubing. Prescription required.
About this mask
The AirFit F20 became a default full face mask for a reason: its InfinitySeal™ cushion is designed to adapt to a wide range of facial contours and pressures, so it seals well across many face shapes in just a few sizes — which makes fitting more forgiving. Combined with SoftEdge™ fabric headgear (rolled-edge straps that reduce facial marks), it’s built for comfortable long-term wear.
Full face coverage suits people who breathe through their mouth during sleep, or who often have nasal congestion — a nasal-only mask lets therapy escape through the mouth, while the F20 covers both.
The standard AirFit F20 uses magnetic clips on the lower headgear — the straps snap to the frame magnetically, making the mask easy to put on and take off, even in the dark. For people for whom magnets are contraindicated (certain metallic or electronic implants), ResMed also makes a non-magnetic version of the mask; be sure to order the version that’s right for you.
It’s a complete system, ready to use with a compatible machine, and its cushion and headgear are replaceable as they wear. It shares its frame and headgear with the AirTouch F20 (which uses a memory-foam cushion instead of silicone).
Key features
- InfinitySeal™ cushion — adapts to a wide range of faces; forgiving fit in few sizes.
- Full face coverage (nose + mouth) — suits mouth breathers and nasal congestion.
- SoftEdge™ fabric headgear — rolled-edge straps; gentle on skin.
- Magnetic clips — easy on/off (standard version).
- Non-magnetic version available — for people who must avoid magnets.
- Complete system — frame, cushion, and headgear included.
- Shares parts with AirTouch F20 — frame and headgear interchangeable.
Specifications
| Specification | Detail |
|---|---|
| Product type | Full face CPAP mask (complete system) |
| Coverage | Nose and mouth |
| Cushion | InfinitySeal™ silicone |
| Headgear | SoftEdge™ fabric, with clips |
| Clip type | Magnetic (standard) — non-magnetic version also available |
| Sizes | S / M / L |
| Includes | Frame + cushion + headgear |
| Compatibility | Standard CPAP/BiLevel tubing (all manufacturers) |
| Related | AirTouch F20 (memory-foam cushion; shares frame/headgear) |
| Prescription | Required (U.S.) |
| Brand | ResMed |
Sizing & versions
The AirFit F20 cushion comes in Small, Medium, and Large — and because the InfinitySeal cushion is so adaptive, many people fit within this range easily (a fit template is available). Choose the version — magnetic (standard) or non-magnetic — that’s appropriate for you. There’s also an AirFit F20 for Her with smaller sizing and a lighter colourway. Use the ResMed AirFit F20 sizing guide, or contact us at (646) 933-0080 for help.
Important: magnets & implants
The standard AirFit F20’s magnetic clips contain magnets. Magnets are contraindicated for some people — including those with certain metallic implants (e.g. aneurysm clips), metallic eye fragments, or electronic implanted devices. If this applies to you, or anyone in close contact with your mask, use the non-magnetic version and follow the magnet contraindications in the mask’s user guide. Consult your physician if unsure.
Frequently asked questions
What’s included?
The complete system — frame, InfinitySeal cushion, and SoftEdge headgear.
Why is the F20 so popular?
Its InfinitySeal cushion adapts to a wide range of faces, so it seals well across many face shapes in just a few sizes — a forgiving, comfortable fit.
What are the magnetic clips for?
They let the lower headgear snap to the frame magnetically, making the mask easy to put on and take off. A non-magnetic version is available for those who need it.
Who should choose the non-magnetic version?
People for whom magnets are contraindicated — certain metallic or electronic medical implants. Follow the user-guide contraindications and your physician’s advice.
Is it the same as the AirTouch F20?
They share the frame and headgear; the AirTouch F20 uses a memory-foam cushion instead of the F20’s silicone InfinitySeal cushion.
Do I need a prescription?
Yes — a prescription is required in the U.S.
Can I get it delivered in Brooklyn or shipped nationwide?
Yes — Stark Medical Supplies offers local pickup and delivery in Brooklyn and across NYC, plus USPS shipping throughout the continental U.S.
This is a prescription medical device. The standard version contains magnets — follow the magnet contraindications in the user guide, and use the non-magnetic version if magnets are contraindicated for you. Use according to the ResMed user guide and your healthcare provider’s guidance.
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