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AirFit F40

  • Minimalist category
  • Under-the-nose fit
  • Full face mask
  • Silicone cushion

The AirFit™ F40 is a low-contact full face mask that comfortably rests beneath your nose, enabling unrestricted sleeping positions and movement throughout the night.

This mask contains magnets that may intefere with certain implants on medical devices. Please see reference section below for complete labelling information, including magnet contraindications and warnings.

Where to buy
Where to buy
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Where to buy?

Choose between our physical dealers or online stores.

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Support documents
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Are you and AirFit F40 a match?

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I like to sleep on my side

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I breathe through my mouth when I sleep

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I wear glasses in bed

Product highlights

  • 100% of patients surveyed achieved seal and comfort in a ResMed external clinical study 1 Source:Two ResMed external clinical studies of experienced PAP patients. The first study included users with ≥ 6 months’ therapy who used ResMed’s AirFit F40 and AirFit F20 full face masks in randomized order for up to seven consecutive nights each at home. Study conducted in Australia, June 6 – 27, 2023, n=28 (AirFit F40) and 29 (AirFit F20). Facial measurements of 29 participants were taken. The second study included current users with ≥ 12 months’ PAP therapy who met 90-day CMS compliance for PAP therapy in the three months prior to the study. Participants used ResMed’s AirFit F40 and Fisher & Paykel’s Evora Full in a randomized order with their own for up to seven consecutive nights each at home. Study conducted in the U.S., October 4 – November 20, 2023, n=57. Facial measurements of 57 participants were taken.
  • AirFit F40 is ResMed’s smallest tube-down full face mask 2 Source:Internal ResMed comparison of the ResMed AirFit F20, AirTouch F20, AirFit F30 and AirFit F40. Measurements are based on cushion mask on face, front view and side view.
  • Magnetic clips and fewer adjustment points make it easy to snap on and off
  • In an external ResMed clinical study, 100% of patients surveyed found AirFit F40 overall easy to use 1 Source:Two ResMed external clinical studies of experienced PAP patients. The first study included users with ≥ 6 months’ therapy who used ResMed’s AirFit F40 and AirFit F20 full face masks in randomized order for up to seven consecutive nights each at home. Study conducted in Australia, June 6 – 27, 2023, n=28 (AirFit F40) and 29 (AirFit F20). Facial measurements of 29 participants were taken. The second study included current users with ≥ 12 months’ PAP therapy who met 90-day CMS compliance for PAP therapy in the three months prior to the study. Participants used ResMed’s AirFit F40 and Fisher & Paykel’s Evora Full in a randomized order with their own for up to seven consecutive nights each at home. Study conducted in the U.S., October 4 – November 20, 2023, n=57. Facial measurements of 57 participants were taken.
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“I felt as if I wasn’t wearing a mask at all.” 3 Source: Testimonial from two ResMed external clinical studies of experienced PAP patients. The first study included users with ≥ 6 months’ therapy who used ResMed’s AirFit F40 and AirFit F20 full face masks in randomized order for up to seven consecutive nights each at home. Study conducted in Australia, June 6 – 27, 2023, n=28 (AirFit F40) and 29 (AirFit F20). Facial measurements of 29 participants were taken. The second study included current users with ≥ 12 months’ PAP therapy who met 90-day CMS compliance for PAP therapy in the three months prior to the study. Participants used ResMed’s AirFit F40 and Fisher & Paykel’s Evora Full in a randomized order with their own for up to seven consecutive nights each at home. Study conducted in the U.S., October 4 – November 20, 2023, n=57. Facial measurements of 57 participants were taken.

Minimal. Maximized.

Experience ResMed's smallest tube-down full face mask, the AirFit F40 2 Source:Internal ResMed comparison of the ResMed AirFit F20, AirTouch F20, AirFit F30 and AirFit F40. Measurements are based on cushion mask on face, front view and side view.. Whether you're new to PAP therapy or seeking enhanced comfort, its UltraCompact design combines full face mask performance with a soft AdaptiSeal™ cushion for continuous comfort throughout the night.

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Documents center

For support documents, check out our AirFit F40 support page.

Product support
Product support
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How-to videos

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6 in 10 CPAP patients say they sleep better after replacing their supplies. 2 Source: Based on a third-party, independent study commissioned by ResMed in February 2017, surveying 400 patients currently using CPAP for 6 or more months.

Frequently asked questions

I’m having issues with my CPAP mask and need help. Who should I contact?

Contact your CPAP equipment provider—the store where you got your CPAP mask and machine—for ongoing clinical support. They can answer questions, assist with mask comfort or fitting issues, and suggest alternative mask options that may better suit your personal comfort needs. Adapting to a mask can be tough, so don’t hesitate to ask for help! Not sure who your CPAP equipment provider is? We can help, fill out our Contact Us form or simply use our Chat Bot.

How do I clean my mask and how often should I clean it?

You should clean the cushion, elbow and short tube, and vent ring daily. The headgear and frame only require weekly cleaning. Facial oil and dirt can easily build up on your mask parts when they’re not cleaned properly, which can lead to skin irritation. The good news? Cleaning your mask doesn’t take long, so working it into your morning routine should be a breeze.

HOW TO CLEAN YOUR MASK

Supplies you’ll need to clean your mask:

Sink or tub
Warm, drinking-quality water (86°F / 30°C)
Mild liquid detergent
Towel
Step-by-step cleaning tips:

1. Unplug your CPAP machine from the power source and disconnect your mask/tubing from your machine.
2. Disassemble your mask:
- Undo the fastening tabs on the upper headgear straps and pull from the frame.
Tip: Keep the magnetic clips attached to the lower headgear straps to easily distinguish the upper and lower straps when reassembling.
- Squeeze the side buttons on the elbow and detach from the vent ring.
- Pull the cushion stud out of the frame stud hole, and repeat on the other side.
- Pull the vent ring from the cushion.
3. Soak the components in warm water with a mild liquid detergent. Ensure that there are no air bubbles while soaking.
4. Shake the components vigorously in the water and hand wash with a soft bristle brush. Pay particular attention to the vent holes in the vent ring.
5. Thoroughly rinse the components under running water.
6. Squeeze the fabric components to remove excess water.
7. Leave the components on the towel to air dry out of direct sunlight.

Refer to the product user guide for complete instructions.

Can I use an ozone device to clean my ResMed mask?

Ozone or UV light products have not been approved for use with the mask. The use of such products may lead to discoloration or damage, which is not covered under the ResMed limited warranty. Warranty coverage for mask discoloration or damage is valid only if it occurs upon initial unpackaging.

How often should I replace mask parts and can I sign up for a replacement program?

Maintaining your CPAP equipment, particularly your mask, is essential to prevent buildup of dirt, oil, and skin residue that can cause discomfort and skin irritation. Streamline your care routine by checking with your CPAP equipment store about joining a replacement supply program for regular access to fresh supplies.

Why is the AirFit F40 mask cushion made from silicone material?

Silicone is chosen for CPAP mask cushions because it's hypoallergenic, soft, lightweight, and forms a stable, comfortable seal while you sleep. Your comfort and therapy success are key considerations in selecting a mask cushion. If you experience skin irritation or discomfort, contact your CPAP equipment store for guidance.

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References

1

Source: Two ResMed external clinical studies of experienced PAP patients. The first study included users with ≥ 6 months’ therapy who used ResMed’s AirFit F40 and AirFit F20 full face masks in randomized order for up to seven consecutive nights each at home. Study conducted in Australia, June 6 – 27, 2023, n=28 (AirFit F40) and 29 (AirFit F20). Facial measurements of 29 participants were taken. The second study included current users with ≥ 12 months’ PAP therapy who met 90-day CMS compliance for PAP therapy in the three months prior to the study. Participants used ResMed’s AirFit F40 and Fisher & Paykel’s Evora Full in a randomized order with their own for up to seven consecutive nights each at home. Study conducted in the U.S., October 4 – November 20, 2023, n=57. Facial measurements of 57 participants were taken.

2

Source: Internal ResMed comparison of the ResMed AirFit F20, AirTouch F20, AirFit F30 and AirFit F40. Measurements are based on cushion mask on face, front view and side view.

3

Source: Testimonial from two ResMed external clinical studies of experienced PAP patients. The first study included users with ≥ 6 months’ therapy who used ResMed’s AirFit F40 and AirFit F20 full face masks in randomized order for up to seven consecutive nights each at home. Study conducted in Australia, June 6 – 27, 2023, n=28 (AirFit F40) and 29 (AirFit F20). Facial measurements of 29 participants were taken. The second study included current users with ≥ 12 months’ PAP therapy who met 90-day CMS compliance for PAP therapy in the three months prior to the study. Participants used ResMed’s AirFit F40 and Fisher & Paykel’s Evora Full in a randomized order with their own for up to seven consecutive nights each at home. Study conducted in the U.S., October 4 – November 20, 2023, n=57. Facial measurements of 57 participants were taken.