AirFit F40

Patient Benefits

Less is more
  • The performance of a full face mask in an UltraCompact minimalist design for all-night comfort.
  • Four adjustment points instead of five create an easy-to-fit mask that simplifies setup.
  • Reduce tube drag with an added short tube for additional flexibility and better seal performance.

Made for more patients
  • 98% estimated fit range of the population with three cushion and three headgear sizes.
  • AdaptiSeal™ total soft silicone cushion and flexible frame adjust to a patient's face for all-night comfort and a better seal.
  • A lower profile, under-the-nose seal is designed to prevent red marks.

Blending into a patient's routine
  • QuietAir™ diffused venting reduces noise and prevents breeze for bed partners. It's whisper quiet at 20 dBA.
  • Innovative magnetic clips are designed to make it easier to assemble.*
  • Quick-release elbow makes it simple to disconnect.

 

* Magnets may interfere with certain implants or medical devices. Please refer to the User Guides for complete information, including magnet contraindications and warnings.
airfit_f40_lg

Fitting Guide

fitting-guide_airfit-f40_1

  • Unclip the lower straps away from the frame and place cushion under the nose to fit against the face. With the ResMed logo facing up, pull headgear over head.

fitting-guide_airfit-f40_2

  • Bring the lower straps behind the ears and reattach to the frame with the magnetic clips.* Feed longer hair through the back of the frame, if needed.

fitting-guide_airfit-f40_3

  • Adjust the upper straps and then the lower straps for a snug fit.

fitting-guide_airfit-f40_4

  • Then, connect the device air tube to the mask short tube and attach the short tube elbow to the frame. Use full image of man with mask and tube connected.


* This mask contains magnets that may interfere with certain implants or medical devices. Please refer to the User Guide for complete labeling information, including magnet contraindications and warnings.

Components & Product Numbers

Complete mask system
(Includes mask frame, full face cushion and headgear)
AirFit F40 System – SW/STD 64600
AirFit F40 System – M/STD 64601
AirFit F40 System – L/STD 64602
AirFit F40 System – M/SML 64603
AirFit F40 System – M/LGE 64604
Full face cushion
AirFit F40 Cushion – SW 64627
AirFit F40 Cushion – M 64628
AirFit F40 Cushion – L 64629
Frame system
(Includes mask frame and full face cushion)
AirFit F40 Frame System – SW 64607
AirFit F40 Frame System – M 64608
AirFit F40 Frame System – L 64609
Headgear
AirFit F40 Headgear – SML 64633
AirFit F40 Headgear – STD 64634
AirFit F40 Headgear – LGE 64635
components_airfit-f40

Disassembly

disassemble_airfit-f40-1

Undo the fastening tabs on the upper headgear straps and pull from the frame. Tip: Keep the magnetic clips attached to the lower headgear straps to easily distinguish the upper and lower straps when reassembling.

disassemble_airfit-f40-2

Squeeze the side buttons on the elbow and detach from the vent ring.

disassemble_airfit-f40-3

Pull the cushion stud out of the frame stud hole, repeat on the other side.

disassemble_airfit-f40-4

Pull the vent ring from the cushion.

Reassembly

assemble_airfit-f40-1

Insert the cushion stud into the frame stud hole. Repeat on the other side.

assemble_airfit-f40-2

Align the vent ring groove against the cushion opening. Press firmly to secure in place and ensure that the cushion opening sits into the vent ring groove.

assemble_airfit-f40-3

Connect the elbow to the vent ring.

assemble_airfit-f40-4

With dark grey fabric side facing inwards, insert both upper headgear straps into the frame from the inside and fold the fastening tabs over to secure.

© 2014 - 2025 Resmed. All rights reserved

Terms of use | Privacy policy