ResMed AirFit F20 Cushion Replacement - Secure Full-Face Seal

In this review of the ResMed AirFit F20 Cushion Replacement, the bottom line is simple: this is a focused option for users of the AirFit F20 full-face mask who need a snug, comfortable seal without replacing the entire frame. The cushion's InfinitySeal design and heavy-duty silicone aim to reduce leaks and improve nightly therapy, making it most useful for CPAP users with full-face masks who prioritize fit and comfort. The review examines fit, durability, and common user tradeoffs to help decide if a cushion-only replacement is right for you.

Key Features

• Designed for AirFit F20: This cushion is made exclusively for the ResMed AirFit F20 full-face mask, ensuring shape compatibility and an intended seal with the mask frame.
• InfinitySeal technology: The integrated InfinitySeal design helps maintain a reliable seal across a range of facial shapes, which can reduce disruptive leaks during sleep therapy.
• Heavy-duty silicone construction: Durable silicone offers a softer contact with the skin for comfort while remaining robust for repeated use.
• Customizable fit for varied profiles: The cushion is contoured to accommodate different facial profiles, improving comfort and reducing pressure points for many users.
• Biweekly replacement recommendation: Although durable, ResMed recommends replacing the cushion biweekly to preserve seal performance and hygiene.

Who It's For

This cushion is best for current owners of the ResMed AirFit F20 who want an exact-fit replacement without buying a new mask. It suits people who need a full-face cushion to reduce mouth leaks or who prefer a silicone surface that conforms closely to facial contours.

Users seeking a long-term heavy-duty part or those who need an alternative mask type should look elsewhere; some buyers report mixed durability and occasional tearing, so those who require the most rip-resistant materials or who prefer frequent, lower-cost disposable cushions may consider other options.

Pros & Cons

Pros

• Secure, customized fit for the AirFit F20 that often improves sealing compared with generic cushions.
• Comfortable silicone material that reduces pressure on the face during long therapy sessions.
• InfinitySeal integration helps maintain a reliable seal for many facial shapes.
• Good value for users avoiding full mask replacement when only the cushion wears out.

Cons

• Durability is mixed; some customers report tearing and reduced rip resistance over time.
• Requires biweekly replacement recommendation to keep seal and hygiene optimal, which may be inconvenient for some users.

Specifications

Product	AirFit F20 Cushion Replacement
Mask compatibility	ResMed AirFit F20 full-face mask
Material	Heavy-duty silicone
Seal technology	InfinitySeal design
Recommended replacement	Biweekly
Use case	Full-face CPAP therapy for sleep apnea

Our Verdict

The ResMed AirFit F20 Cushion Replacement is a practical, value-focused choice for existing AirFit F20 users who need to restore fit and seal without replacing the entire mask. It delivers comfortable silicone contact and an effective InfinitySeal for many facial profiles, but buyers should be aware of mixed reports on rip resistance and follow the biweekly replacement guidance for best results.

Frequently Asked Questions

Will this cushion fit my AirFit F20 mask?
Yes, it is made exclusively for the ResMed AirFit F20 full-face mask and matches the mask frame geometry.

How often should I replace the cushion?
ResMed recommends replacing the cushion biweekly to maintain seal performance and hygiene.

Is the cushion durable?
The silicone is heavy-duty and comfortable, but some users report tearing; treating the cushion gently and replacing as recommended reduces issues.