Resmed AirFit F40 Mask

The ResMed AirFit F40 is a minimal-contact full face CPAP mask designed for lighter, less restrictive sleep apnea therapy. Its flexible frame and AdaptiSeal cushion provide a secure seal with enhanced comfort.

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Description

For CPAP users who want full face coverage without a bulky feel, the ResMed AirFit F40 Full Face CPAP Mask offers a lighter, more flexible approach to sleep apnea therapy. Its minimal-contact design sits comfortably under the nose, reducing facial pressure while still delivering effective airflow for both nose and mouth breathing.

The soft silicone AdaptiSeal cushion conforms to your facial contours to create a stable seal, even as you shift positions during the night. A fully flexible frame adapts naturally to movement, helping maintain comfort and performance without feeling rigid or restrictive. The short tube connection enhances freedom of movement, and the quick-release elbow allows you to disconnect easily without removing the mask.

With four adjustment points, this full face CPAP mask can be fine-tuned for a secure, personalized fit. Designed for side sleepers, back sleepers, and active sleepers alike, the AirFit F40 combines low-profile design with dependable CPAP therapy performance.

Key Features

  • Minimal-contact full face CPAP mask with under-the-nose design

  • Low-profile construction for reduced facial coverage

  • Soft silicone AdaptiSeal cushion for reliable seal and comfort

  • Fully flexible frame adapts to facial movement

  • Four adjustment points for personalized fitting

  • Short tube connection supports natural movement during sleep

  • Quick-release elbow for easy disconnection

  • Suitable for side, back, and active sleepers

Product Specifications

  • Mask Type: Full Face CPAP Mask

  • Cushion Material: Soft silicone AdaptiSeal

  • Frame Design: Fully flexible

  • Tubing Connection: Short tube with quick-release elbow

  • Adjustment System: Four-point adjustment

  • Profile: Minimal-contact, low-profile design

  • Intended Use: Sleep apnea therapy with CPAP devices

Important Compatibility Note

This full face CPAP mask is not compatible with the ResMed AirMini™ travel CPAP machine.

Enjoy Free Canada-wide shipping on orders $200 or more!

Additional information

Weight1 kg
Dimensions33.02 × 25.4 × 10.16 cm
Size

Small Wide/ Standard, Med/ Standard, Large/ Standard, Med/ Small, Med/ Large

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Frequently Asked CPAP Questions

The best CPAP mask depends on your sleep style, breathing habits, and comfort preferences.

  • Nasal masks are a great option if you breathe through your nose and prefer a lightweight, low-profile feel.

  • Nasal pillow masks are ideal for active sleepers who want minimal contact and an open field of vision.

  • Full face masks work well if you breathe through your mouth or experience nasal congestion.

If you’re unsure which style is right for you, our team is happy to help you compare options and find a mask that fits comfortably and supports consistent therapy.

Yes! CPAP Ontario offers free Canada-wide shipping on orders over $100.
We ship quickly and securely so you can receive your CPAP masks, supplies, and accessories right to your door — no matter where you’re located in Canada.

Absolutely. We offer CPAP supply bundles that make it easy to get everything you need in one purchase.


Our bundles typically include a CPAP mask, filters, and essential accessories, all at a reduced cost compared to buying items individually. Bundling helps you save money, stay stocked, and simplify reordering.


Visit our Bundles page to explore available options.

Replacing CPAP supplies regularly helps maintain comfort, hygiene, and effective therapy. General replacement guidelines include:

  • Full Face Masks: Every 6 Months 
  •  
  • Mask cushions & nasal pillows: Every 1–3 months

  • CPAP filters: Every 1–6 months (depending on type)

  • CPAP tubing: Every 6–12 months

  • Water chamber: Every 6 months

Over time, normal wear can affect fit and performance. Keeping up with replacements helps reduce air leaks, improve comfort, and support better sleep.

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