Product highlights
- 100% of patients surveyed achieved seal and comfort in a Resmed external clinical study1
- AirFit F40 is Resmed’s smallest tube-down full face mask2
- 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 use1
“I felt as if I wasn’t wearing a mask at all3.”

Minimal. Maximized.
Less is more with Resmed’s smallest tube-down full face mask.2 Whether you’re new to PAP therapy, or just looking for a new mask, AirFit F40 may be perfect for you if you need the performance of a full face mask but want the comfort of an UltraCompact design. The low-profile, soft silicone AdaptiSeal™ cushion adapts to your face, helping provide comfort all night long.