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Transform your sleep therapy experience with this perfectly paired combination. The ResMed AirSense 11 AutoSet and the innovative AirFit F40 Full Face Mask work seamlessly together to provide comfortable, uninterrupted sleep – ideal for mouth breathers, active sleepers, and anyone who wants the benefits of a full face mask without feeling restricted.

The AirSense 11 brings intelligence to your nightly routine with its user-friendly touchscreen and adaptive sleep coaching that grows with you. Its gentle reminders and straightforward menus make managing your therapy simple, while whisper-quiet operation ensures peaceful nights for both you and your sleep partner – because better sleep should feel effortless, not complicated.

The groundbreaking AirFit F40 elevates your comfort with its ultra-compact full face design that sits under your nose rather than covering it. The innovative AdaptiSeal cushion conforms to your unique facial contours for a perfect fit that maintained its seal for 100% of patients in clinical testing. With magnetic clips for easy on-off, a flexible frame that moves with you, and an open field of vision for reading or watching TV, this mask gives you the freedom to sleep your way. The short tube design reduces pulling as you change positions, making it ideal for active sleepers.

Together, these ResMed innovations deliver a therapy experience that feels natural, unrestrictive, and remarkably comfortable – night after night.

ResMed AirSense 11 AutoSet CPAP Machine Noteworthy Features

Personalized Support

Weekly care check-ins and therapy insights help optimize your experience

Intuitive Control

User-friendly touchscreen interface makes adjusting settings simple

Smart Connectivity

Track your progress and receive guided support through the myAir app

Enhanced Comfort

Features like Sleep Onset Detection and pressure relief make therapy feel more natural

Quiet Performance

Whisper-quiet operation at just 27 decibels ensures peaceful nights

To learn more about the AirSense 11 AutoSet CPAP Machine, please visit the full product page.

ResMed AirFit F40 Full Face Mask Noteworthy Features

100% Universal Fit

In a ResMed external clinical study, the AirFit F40 achieved seal and comfort for 100% of patients surveyed, ensuring a snug fit without compromising comfort.

Ultra-Compact Design

The AirFit F40 offers minimal facial contact and maximized comfort thanks to the under-the-nose cradle fit, which reduces bulk, limits feelings of claustrophobia, and keeps an open line-of-sight for your bedtime wind-down.

Easy On-and-Off Magnetic Headgear

The magnetic clips allow for quick and easy fitting or removal of the mask, reducing hassle before bedtime and upon waking. A redesigned quick-release elbow also makes it easier than ever to quickly disconnect for middle-of-the-night bathroom trips.

AdaptiSeal Cushion

The AdaptiSeal silicone cushion adapts to your facial contours, providing comfort and maintaining an effective seal throughout the night.

Flexible Frame Moves With You

The fully flexible frame, covered by soft nylon fabric padding, sits below the eyes for comfort and reduced facial marks. It allows for easier movement during sleep without compromising the seal.

Short Tube Reduces Hose Pulling

The short tube reduces drag and moves with you, providing the flexibility to sleep comfortably in any position and ensuring continuous therapy.

To learn more about the AirFit F40 Full Face Mask, please visit the full product page.

Ideal For

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The AirSense 11 AirFit F40 Bundle is an excellent choice if you…

  • Prefer to purchase everything you need to get started immediately
  • Are seeking automatic pressure adjustments that adapt to your needs
  • Value the ability to track therapy progress through a mobile app
  • Are new to therapy and would benefit from personalized coaching
  • Sleep with a partner and need a quiet machine
  • Prefer a modern experience with touchscreen controls
  • Prefer heated humidification with your therapy
  • Breathe through your mouth and/or nose
  • Are an active sleeper who changes positions frequently
  • Want a mask that lets you sleep on your side or stomach
  • Experience claustrophobia from traditional full face masks
  • Need an open line of sight to read or watch TV before bed
  • Want to wear glasses with your mask
  • Prefer an under-the-nose cushion that won't put pressure on the nose
  • Want a mask you can get in and out of quickly

Tips & Resources

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AirSense 11 Resources

Using Your New Machine for the First Time

  • Your machine's therapy pressure settings will have been set prior to shipping.
  • Connect one end of the air tubing to the machine outlet and the other to your CPAP mask.
  • Fill the removable humidifier tub with distilled water to the max fill line.
  • Attach the power adapter cord to the machine and a power source to turn it on.
  • Your machine will now be ready to begin therapy.

FAA/TSA Compliance

  • This machine meets FAA and TSA requirements for use on commercial aircraft.
  • Your machine can be packed into your luggage or carried on board, however, we suggest carrying your machine with you to prevent damage during transport.
  • CPAP machines are classified as necessary medical devices, which are exempt from counting against you as a carry-on item while on domestic flights.
  • If you intend to use your device while flying, we suggest contacting the airline a few days prior to your flight.

Airplane Mode Notice

This machine features a built-in wireless modem that can transfer your sleep therapy data to other parties, including ResMed, your insurance carrier, or healthcare provider.

This feature can be turned off by enabling the "Airplane Mode" function on this machine. For the sake of customer privacy, we ensure that "Airplane Mode" is enabled before the machine is sent to you.

If you wish to use the myAir app to track your therapy progress or you intend to share your therapy data with your insurance or healthcare provider, you will need to turn off "Airplane Mode" while setting up your machine.

SmartStart™ Tips

SmartStart™ technology may not function as intended when used with a nasal pillow mask and a pressure setting of 7 cm H2O or less. If the feature does not appear to be functioning, this comfort feature can be turned off. Please refer to the User Guide for more information.

Climate Control Notice

Machine must be adjusted to the proper tube setting to ensure accurate therapy pressure. The machine's Auto Climate Control feature only functions while connected to the ClimateLineAir 11 Heated Tubing.

AirFit F40 Resources

Using Your Mask for the First Time

  • Connect the CPAP hose to the mask elbow
  • Release elbow from the frame by squeezing the quick release tabs
  • Ensure headgear clips are detached from the frame
  • Hold the cushion in place under your nose and over your mouth
  • Pull the headgear over your head
  • Attach the lower headgear straps using the magnetic clips
  • Adjust the upper and lower head straps until the mask fits comfortably
  • Reattach the elbow and hose to complete assembly

Magnetic Clip Warning

This mask uses magnetic clips to secure the frame into place without having to adjust the mask’s velcro head straps. These magnets are not safe when  used with certain medical implants including: 

  • Pacemakers, 
  • Implantable Cardioverter Defibrillators (ICD)
  • Neurostimulators
  • Cerebrospinal Fluid (CSF) Shunts
  • Insulin/Infusion pumps
  • Aneurysm Clips
  • Flow Disruption Devices
  • Embolic Coils
  • Stents
  • Valves
  • Electrode
  • Hearing Aids 

Mask Safety Features

The mask has two main safety features, exhaust vent holes and anti-asphyxia valves, which ensure normal breathing and proper exhalation. Avoid blocking these vents to maintain safety and therapy quality. Regularly inspect these areas to ensure they remain undamaged and free of obstructions.

Finding Your Perfect Fit

The AirFit F40 is available in three headgear sizes, including small, standard, and large. Most people fit into the standard size, so it's best to start with this headgear and then order the small or large size if necessary.

Cushion sizes are offered in small-wide, medium, and large. If you do not know your cushion size, check out the sizing guide linked above.

Specs

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AirSense 11 Specs

  • Sound Level: 27 dBA
  • Dimensions: 10.21" L x 3.72" T x 5.45" W
  • Weight: 2.5 lbs
  • Warranty: Manufacturer 2-year limited
  • AC Power Input: 100-240V, 50-60Hz, 2.0A
  • Aircraft Power: 115V, 400Hz, 1.5A
  • DC Output: 24V 2.71A
  • Power Consumption: 56.1W typical, 73.2W peak
  • Power Cord Length: 10.375 ft
  • Pressure Range: 4-20 cmH2O
  • Therapy Modes: AutoSet, AutoSet For Her, CPAP
  • Humidification: Built-in with optional heated tubing
  • Comfort Features: Exhalation Relief, Ramp Mode, Auto Start/Stop
  • Maximum Altitude: 9,870 ft
  • Connectivity: Bluetooth, Cellular Data, Phone App (No WiFi)
  • Additional Features: Automatic Machine Updates, Auto Altitude Adjustment, FAA Compliant
  • Part Number: 39000

AirFit F40 Specs

  • Sound Level: 21.2 dBA
  • Dimensions: 5.12" L x 3.74" W x 9.65" H
  • Weight: 9.6 oz
  • Pressure Range: 4-30 cmH2O
  • Cushion Material: Silicone
  • Cushion Size(s): Small Wide, Medium, or Large
  • Headgear Size(s): Small, Standard, or Large
  • Mask Frame Size(s): One-Size-Fits-Most
  • Headgear Materials: Nylon, Spandex
  • Frame Materials: Flexible Nylon
  • Warranty: Internal Free 30-Day
  • Includes Magnets: Yes
  • Part Number: 64601

What's Included

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AirSense 11 AutoSet CPAP - CPAP.com
AirSense 11 AutoSet
ResMed AirSense 11 humidifier chamber, a transparent water reservoir with a max fill line, labeled for use with distilled water only.
Standard Water Chamber for AirSense 11 Humidair Heated Humidifier
Disposable Filter
Travel Bag
Power Supply
Product image for SlimLine™ Tubing for AirStart™ 10, AirSense™ 10, AirCurve™ 10, and S9™ CPAP machines
SlimLine Hose
AirFit F40 Standard Frame
AirFit F40 Standard Headgear
Large Full Face Cushion

FAQs

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Is the AirSense 11 compatible with all CPAP masks?

Yes, the ResMed AirSense 11 works with any CPAP mask using the standard 22mm connection, regardless of brand. For optimal performance and full feature access, we recommend using our curated selection of ResMed AirSense 11 Masks.

Important notes:

  • All standard CPAP masks will connect and function
  • ResMed masks maximize device features and performance
  • Some features (like SmartStop) work best with specific masks
  • Magnetic masks require precautions for users with medical implants

For complete mask compatibility details, see ResMed's official list.

While ResMed masks offer enhanced features, we encourage you to explore different options to find your perfect match. With our 30-day risk-free trials, you can discover which mask gives you the most comfortable, restful sleep—regardless of brand.

How loud is the AirSense 11?

The ResMed AirSense 11 delivers peaceful, whisper-quiet therapy at just 27 decibels. Sound levels can be affected by your mask fit and hose connection, but with proper setup, most users find their bed partners don't even notice it running. For the quietest experience, we recommend ensuring your mask fits properly and checking that your humidifier and hose is securely connected.

Does the AirSense 11 automatically adjust pressure?

Yes, the AirSense 11 AutoSet CPAP senses your breathing patterns and adjusts therapy pressure throughout the night. It offers three therapy modes to match your needs:

  1. AutoSet: Automatically responds to sleep events, providing exactly the pressure you need.
  2. AutoSet for Her: Designed specifically for women, featuring more gradual pressure changes.
  3. CPAP: Maintains one consistent pressure level throughout the night.

Your comfort comes first, with features like AutoRamp™ that starts at a lower pressure until you fall asleep, and EPR™ that makes breathing out more natural by lowering pressure when you exhale.

If you're sensitive to pressure changes, AutoSet Response lets you choose gentler adjustments. Monitor how your device adapts to your needs using the myAir™ app.

Learn more about APAP vs CPAP therapy.

Should I upgrade to a heated hose for the AirSense 11?

Upgrading to a heated hose can help provide a more consistent therapy experience regardless of seasonal changes or location. If you find yourself traveling to a different climate, a heated hose can help you maintain the same therapy you had at home.

If you experience the collection of condensation in your CPAP hose that drips down onto your face and wakes you up, also known as CPAP rainout, a heated hose can help prevent condensation buildup, allowing you to sleep through the night.

With a ClimateLineAir 11 Heated Tube, you’ll also be able to utilize the AirSense 11’s auto climate control settings, which automatically detect the ambient room temperature and supply the optimal humidification for your sleep setting.

You may want one if you:

- Experience dry mouth or throat
- Notice water droplets in your tube
- Use humidification regularly
- Live in a cold or dry climate

You might not need one if you:

- Live in a humid climate
- Don't use the humidifier
- Keep your bedroom warm
- Are comfortable with your current setup

Many of our customers find the heated hose adds noticeable comfort to their therapy, particularly in winter. If cost is a concern, a CPAP hose cover provides similar benefits at a lower price point.

How to change your AirSense 11 Filter?

To change the filter on your AirSense 11 CPAP machine, follow these steps:

  1. Turn off your machine and disconnect it from its power source.
  2. Locate the filter compartment on the back of the machine.
  3. When looking at the rear of your AirSense 11, the filter compartment will be on the lower right-hand side opposite the humidifier chamber.
  4. Open the compartment and remove the old filter.
  5. Insert the new filter and close the compartment.
  6. Reconnect your machine to its power source.

Is the AirSense 11 Filter the same as Airsense 10?

The AirSense 11 air filter has a different design and is not interchangeable with the AirSense 10 filter.

Is the AirFit F40 comfortable for side sleepers?

Yes, the AirFit F40 has a unique design that fits well but won't get in the way while side sleeping. It also has a swivel hose connection that adjusts your hose position if you turn on your side.

Does the AirFit F40 prevent air leaks?

While no mask can prevent 100% of air leaks, the AirFit F40 features ResMed's InfinitySeal technology to create a strong seal between your face and your CPAP mask, while still remaining comfortable and flexible.

How often should I replace the AirFit F40's cushion?

For best performance, ResMed recommends replacing the AirFit F40's silicone cushion every 3 months.



Is the AirFit F40 suitable for full-time mouth breathers?

Yes, the full face design of the AirFit F40 provides an effective seal for mouth breathing all night long.

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