This headgear is compatible ONLY with the following ResMed nasal masks:
AirFit N20 nasal Mask
AirFit N20 For Her nasal Mask
Please note: This product is a single headgear in the selected size (for Her, small, medium or large). This product includes 2 magnetic clips for use with the N20 mask but does not include the elbow, frame, headgear or any other parts.