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Designed for Comfort and Performance

Features of the AirFit F40 CPAP mask

ResMed AirFit F40: The smallest CPAP face mask for unrivalled comfort and performance


The ResMed AirFit F40 is unquestionably worthy of its title as the "smallest CPAP face mask". With its minimalist, low-profile design, this innovative mask offers unrivalled lightness and safety, while guaranteeing an optimal seal. It's the ideal solution for those seeking both comfort and freedom during sleep therapy.

Whether you sleep on your side, on your back, or move around a lot at night, the AirFit F40 adapts easily to your needs. Its compact design reduces contact with the face while maintaining a reliable seal, ensuring continuous therapy even at high pressures. What's more, its ultra-quiet ventilation system and soft cushion make it the perfect choice for light sleepers and their partners.

Discover the perfect balance of comfort, freedom and performance with the ResMed AirFit F40-designed to deliver peaceful nights and more pleasant wakings, whatever your sleeping position.
QuietAir Vent technology for a peaceful sleep

The AirFit F40 CPAP mask incorporates QuietAir technology, reducing noise to just 20 dBA to create a serene sleep environment. This innovative design ensures that you and your family enjoy uninterrupted rest, making CPAP therapy more comfortable and less intrusive.

Silicone cushion with AdaptiSeal Technology

Featuring AdaptiSeal technology, the AirFit F40's silicone cushion adapts perfectly to the contours of the face, ensuring a comfortable, leak-proof seal. This durable cushion delivers consistent performance, enhancing the effectiveness of CPAP therapy while ensuring optimal comfort all night long.

Magnetic clips for easy handling

The ResMed AirFit F40 uses magnetic clips to simplify mask insertion and removal. These clips ensure a secure fit with minimal effort, facilitating adjustment and removal even in low-light conditions. This ergonomic design prioritizes simplicity and comfort, optimizing your daily CPAP therapy routines.

Additional features of the AirFit F40 CPAP mask

Resmed Airfit F40

Everything you need to know about the Resmed Airfit F40 face mask.

Ultra-compact full-face mask design

The ResMed AirFit F40 is one of the smallest full-face tube masks available, designed to reduce facial contact and provide a clear line of vision. This design enhances comfort and lets you enjoy pre-bedtime activities.

Flexible frame with fewer adjustment points

Featuring a fully flexible frame, this mask minimizes the need for frequent adjustments, simplifying fitting and improving comfort by reducing pressure points.

Three sizes of Cushion and Harness

Available in three cushion and headgear sizes, the mask guarantees a precise fit for almost all face shapes and sizes, achieving a 98% fit rate for effective sealing and superior comfort.

Short tube for greater flexibility

Integrated with a short tube, it offers increased freedom of movement during sleep, reducing tugging while maintaining optimal waterproofness, ideal for active sleepers.

Magnetic clips for easy handling

Equipped with magnetic clips, the mask is easy to put on and take off, which is particularly advantageous for people with manual dexterity difficulties, and facilitates daily maintenance.

QuietAir™ diffused ventilation system

QuietAir™ ventilation technology discreetly diffuses exhaled air, reducing noise and improving the sleep environment for both user and partner.

Highly compatible with CPAP devices

Compatible with a wide range of CPAP and BiPAP devices, including the AirSense, AirCurve and S9 series, this mask integrates perfectly with existing sleep apnea therapy systems.

ResMed AirFit F40

Your complete face mask fitting guide

Sleep therapy, simplified

Answers to Your Questions about the ResMed AirFit™ F40 CPAP Mask Complete System

What is the ResMed AirFit F40 CPAP mask?

ResMed's AirFit F40 CPAP mask is an innovative, minimalist design that prioritizes comfort and freedom of movement. Its compact cushion under the nose offers unobstructed vision, ideal for reading or watching TV before bed.

How does the AdaptiSeal™ silicone cushion improve my CPAP therapy?

The AdaptiSeal™ cushion adapts to the contours of the face to provide a personalized fit and reduce air leakage, improving the comfort and effectiveness of CPAP therapy.

Can I wear glasses with the AirFit F40?

Yes, its low-profile design allows you to wear glasses comfortably, facilitating your pre-bedtime routines such as reading or watching TV.

What sizes are available for the AirFit F40?

Available in three cushion sizes (Small, Medium, Large) and with adjustable headgear sizes, covering up to 98% of face shapes.

How do I clean the ResMed AirFit F40?

Disassemble according to the User Guide, wash with a mild detergent, rinse thoroughly and air dry.

Is the AirFit F40 mask compatible with my CPAP machine?

Yes, it is compatible with most CPAP, APAP and BiLevel devices, including the AirSense™, AirCurve™ and S9™ series.

Why is the AirFit F40 mask so quiet during use?

Thanks to QuietAir™ technology, which gently diffuses exhaled air to minimize noise.

How do the AirFit F40's magnetic fasteners work?

Magnetic fasteners simplify mask adjustment and removal, ideal for users with motor problems.

What to do if the mask doesn't fit properly?

Make sure you're using the right size cushion and headgear, and adjust the straps. If the problem persists, consult a healthcare professional or ResMed Customer Support.

Can the AirFit F40 mask be used in clinical settings?

Yes, a specific variant, the Sleep Lab Mask (SLM), is designed for multi-patient use in clinical environments.