
ResMed AirFit F20
- South Australia — usually 1 business day
- Sydney, Melbourne & other major cities — 2–3 business days
- Regional & remote areas may take a little longer
These CPAP machines (tested by our team)
Standard 22 mm tubing — fits every modern CPAP/APAP. Each pairing below has been checked with this mask.
Replacement cushions & parts
Cushions soften and headgear stretches with daily use — keep your seal tight.
Description, specs & care
The AirFit F20 features an innovative InfinitySeal silicone cushion: tested to perform at high therapy pressures, it’s designed to comfortably fit all facial shapes and sizes.
Also available in AirFit F20 for Her.
Sizes: Small, Medium and Large.
Other Features
+ The AirFit F20 features an innovative InfinitySeal™ silicone cushion: tested to perform at high therapy pressures, it’s designed to comfortably fit patients of all facial shapes and sizes. It will appeal to patients looking for a less claustrophobic mask that delivers a clear line of sight.
+ Exceptional fit: In ResMed international studies, AirFit F20 fit 96.5% of all patients tested.1, 2, 3, 4 This aims to make it easier for you to set patients up right the first time and send them home with confidence.
+ Robust seal: This CPAP mask features an adaptive cushion that has been tested to prevent blow-outs, accommodate patient movement and provide a robust seal across high pressures.
+ Comfortable to use: The flexible fabric-lined frame adds further comfort while delivering all-round stability and greater visual freedom.
Features of the AirFit F20
Open Visibility Mask Design: Covers the nose and mouth without the need for a forehead support, providing a wide range of visibility.
InfinitySeal Full Face Cushion: Offers an effective seal across various therapy pressures, catering to different face types and structures.
Padded Headgear with Magnetic Clips: Ensures extra softness and stability, with magnetic clips facilitating quick and easy attachment to the frame.
QuietAir Elbow: Features a new diffuser vent that disperses exhaled air lightly, reducing noise and improving overall comfort.
Multiple Headgear Sizes Available: Includes three headgear sizes to ensure an optimal fit, with the Standard size provided with the ResMed mask and headgear unit.
Included with Purchase
x1 AirFit F20 Full Face CPAP Mask in Selected Size
x1 Standard (Medium) Size Headgear
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Manufacturer |
ResMed |
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In The Package |
AirFit F20 Full Face CPAP & BiLevel Mask with Cushion, Plush Headgear & QuietAir Elbow |
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Part Number(S) |
63430 (Small with Headgear), 63431 (Medium with Headgear), 63432 (Large with Headgear) |
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Warranty |
90 Days |
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Intended Use |
The F20 is a non-invasive accessory used for channeling airflow (with or without supplemental oxygen) to a patient from a positive airway pressure (PAP) device such as a continuous positive airway pressure (CPAP) or bilevel system. |
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Available Size(S) |
Small, Medium, Large |
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Materials |
Not Made with Natural Rubber Latex DEHP Free Phthalate Free PVC Free |
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Type |
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Pressure Levels |
4-20 CM H2O (Recommended) |
Warranty Notes: Warranty applies to primary item. Accessory and parts warranties may vary. Review manufacturer's documentation for full details.
Sizing Guide: AirFit F20 Fitting
Hand-wash the cushion daily in warm soapy water. Wash the headgear weekly in cool water and air-dry out of direct sunlight.
Replace the cushion every 6–8 months, headgear every 6 months, and the whole mask every 12–18 months with daily use.
Warranty. 3-month manufacturer warranty on the frame, cushion and headgear.
Returns. Change-of-mind returns within 30 days for unused, unopened masks; opened or used masks may incur a 30% processing fee, and some masks can't be returned once opened for hygiene reasons (see our returns policy). Faulty items are covered under the Australian Consumer Law.
Pairs well with this mask
Not sure this is the right mask?
Answer four quick questions — sleep position, breathing, beard, glasses — and we'll narrow it down to two or three masks worth trying.
Find your size & fit
Print the official fitting template, hold it to your face, and read your size.
- Print the fitting template at 100% (turn off 'fit to page') and find where the crease below your lower lip lands.
- Between sizes, choose larger.
- One universal frame — swap cushion sizes to fix leaks.
ResMed AirFit F20 — Sizing & Care
Printable template- 1Print the template at 100%A4, single page, no "Fit to page". Use the credit-card check above.
- 2Hold the page against your faceSit upright, look straight ahead, line up the nose-bridge marker.
- 3Note the size that frames your nose / mouthRead the size letter at the matching outline.
- Print the fitting template at 100% (turn off 'fit to page') and find where the crease below your lower lip lands.
- Between sizes, choose larger.
- One universal frame — swap cushion sizes to fix leaks.
Air on my eyes
Whistling at the cushion edge
Red marks on my cheeks or nose
Mask shifts during the night
Cushion: about every 1 month. Headgear: every 6 months. Frame: every 6 months. Replace sooner if the cushion tears, hardens or won't seal. General guide only — follow your clinician/supplier advice.












