This clip is threaded onto the headgear strap and attaches the strap to the frame. These clips work with the following masks:

• ComfortGel Nasal Nasal Mask
• ComfortGel Blue Nasal Mask
• ComfortFusion Nasal Mask
• ComfortSelect Nasal Mask
• ComfortFull 2 Full Face Mask
• ComfortGel Full Face Mask