Adaptive cushion
InfinitySeal Cushion
Designed to stay sealed at any airflow pressure setting, providing consistent therapy throughout the night with adaptive comfort.
Full-face CPAP mask
ResMed AirFit F20
The most popular CPAP mask that comfortably fits a remarkable 97% of people. Features InfinitySeal cushion technology and QuietAir vent for the ultimate sleep therapy experience.
Complete Mask System
InfinitySeal Technology
QuietAir Vent
Mask typeFull face
CushionInfinitySeal
Sound levelQuietAir · 21 dB
Fit success97% of users
Advanced mask technology
Three technologies built around comfort and fit.
The AirFit F20 combines the core product features from the original page in a cleaner, more product-focused layout.
Quiet therapy
QuietAir Vent
Reduces sound to only 21 decibels – quieter than a soft whisper, ensuring peaceful sleep for you and your partner.
Easy connection
Magnetic Clips
Two simple snaps and your mask is on or off. Quick-release elbow allows nighttime disconnection without removing the mask.
Product video
See how the AirFit F20 is fitted.
Watch the fitting demonstration from the original product page in a cleaner viewing experience.
How to fit your AirFit F20 mask
Watch detailed demonstrations and setup guidance for the AirFit F20.
Product details
Technical Specifications
Complete product details, sizing, performance, and compatibility from the original AirFit F20 page.
General Specifications
- Product Name:ResMed AirFit F20 Full Face Mask
- Mask Type:Full Face (Nose and Mouth Coverage)
- Design:InfinitySeal cushion technology
- Target Users:Mouth breathers, all sleep positions
- Key Feature:Universal fit (97% of people)
- Unique Design:QuietAir vent technology
- Assembly:Magnetic clips for easy use
- Manufacturer:ResMed Ltd.
Sizing & Fit
- Sizes:Small, Medium, Large
- Small Cushion:Narrow facial features
- Medium Cushion:Average facial features
- Large Cushion:Wide facial features
- Weight (Small):Approx. 120g
- Weight (Medium):Approx. 130g
- Weight (Large):Approx. 140g
- For Her Option:Available in all sizes
Performance
- Pressure Range:4–30 cmH2O
- Max Flow:60 L/min at 20 cmH2O
- Dead Space:< 65ml
- Leak Rate:< 24 L/min
- Sound Level:21 dB (QuietAir vent)
- Resistance:< 0.5 cmH2O at 50 L/min
- Fit Success:97% of users
- Seal Pressure:All pressure settings
Compatibility
- CPAP Machines:All standard CPAP/BiPAP devices
- Tube Connection:Standard 22mm tubing
- Elbow Type:Quick-release swivel elbow
- Headgear:Plush fabric with quick-fit
- Cleaning:Daily water rinse recommended
- Materials:Medical-grade silicone
- Latex-Free:Yes
- MRI Safe:No (contains magnets)
AirFit F20 support
Frequently Asked Questions
Everything you need to know about the AirFit F20.
The AirFit F20 stands out with its InfinitySeal cushion technology that adapts to your unique facial contours and maintains an effective seal at any pressure setting. The QuietAir vent reduces noise to just 21 decibels, and magnetic clips make it incredibly easy to put on and take off. Most importantly, it fits 97% of people who try it, making it our most universally compatible mask.
The AirFit F20 comes in Small, Medium, and Large sizes. Most people find success with the Medium size, but proper fitting is essential for optimal therapy. We recommend consulting with your sleep therapy provider or using ResMed's online fitting guide. The mask should feel comfortable without being too tight, and you should not experience significant air leaks during use.
Yes! The AirFit F20 is designed to accommodate all sleep positions. The InfinitySeal cushion maintains its seal whether you sleep on your back, side, or stomach. The plush headgear and flexible frame design ensure comfort and stability throughout the night, regardless of how much you move during sleep.
Absolutely. The AirFit F20 is ideal for people with allergies or those who experience nasal congestion. As a full face mask, it covers both the nose and mouth, allowing you to breathe comfortably even when your nasal passages are blocked. The medical-grade silicone cushion is latex-free and hypoallergenic.
Regular replacement ensures optimal performance and hygiene:
InfinitySeal CushionReplace every 1 month or when seal effectiveness decreases.
Frame SystemReplace every 3 months or if damaged.
Plush HeadgearReplace every 6 months or when straps lose elasticity.
Elbow ConnectorReplace every 6 months or if swivel becomes stiff.
Daily Cleaning
- Disassemble mask components
- Rinse cushion and frame with warm water
- Wash with mild soap (no harsh chemicals)
- Rinse thoroughly to remove soap residue
- Air dry completely before reassembly
Weekly Deep Clean
- Soak all components in warm soapy water
- Use soft brush for thorough cleaning
- Rinse multiple times with clean water
- Inspect for wear or damage
- Ensure complete drying before storage
Important: Never use bleach, alcohol, or harsh chemicals. Water temperature should not exceed 140°F (60°C).
Your next step
Experience the AirFit F20 Difference
Join the 97% of users who have found their perfect fit with the AirFit F20. Our sleep therapy experts are here to help you get started with proper fitting, setup, and ongoing support.