A: Check ResMed’s sizing guide or consult your equipment provider. A proper fit ensures the f40 full face cpap mask remains stable and comfortable, minimizing leaks.
ResMed AirFit F40 Replacement Headgear | Small | 64633
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The ResMed AirFit F40 Replacement Headgear is the official headgear for the AirFit F40 full face CPAP mask, designed to restore a stable fit and comfortable seal when your original headgear stretches or wears out. With four adjustment points (two upper and two lower) and integrated magnetic clips, it makes fitting and nightly setup fast and intuitive while helping distribute pressure evenly around the head.
Available in Small, Standard, and Large, the headgear works with all AirFit F40 mask frames and cushions, so you can replace only the worn headgear instead of buying a whole new mask. Soft fabric and foam materials are designed for all‑night comfort and to help maintain a reliable seal in multiple sleep positions.
Because this headgear includes magnets, ResMed and the FDA warn that mask magnets must be kept at least 6 inches (150 mm) away from certain implants and medical devices (such as pacemakers, ICDs, neurostimulators, some aneurysm clips, and metallic ocular implants) for both you and anyone sleeping in close physical contact. Always review magnet contraindications with your clinician if you or a bed partner has implanted devices or metal fragments.
| Model | 64633, 64634, 64635 |
| HCPCS Code | A7035 |
| Manufacturer | ResMed |
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