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
Advanced Full Face Mask Technology
Engineered for comfort, performance, and universal fit
InfinitySeal Cushion
Designed to stay sealed at any airflow pressure setting, providing consistent therapy throughout the night with adaptive comfort.
QuietAir Vent
Reduces sound to only 21 decibels – quieter than a soft whisper, ensuring peaceful sleep for you and your partner.
Magnetic Clips
Two simple snaps and your mask is on or off. Quick-release elbow allows nighttime disconnection without removing the mask.
Product Video
Watch detailed demonstrations and setup guides
How to fit your AirFit F20 mask
Technical Specifications
Complete product details, compatibility, and performance
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) |
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 Cushion
Replace every 1 month or when seal effectiveness decreases.
Frame System
Replace every 3 months or if damaged.
Plush Headgear
Replace every 6 months or when straps lose elasticity.
Elbow Connector
Replace 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
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.