
ResMed Elbow Assembly is designed for the ResMed Mirage Vista Nasal Mask. The Elbow Assembly easily snaps on the front of the Mask Frame. It features slots for venting extra air. It is also made with four small holes on the front silicone piece which serves the same purpose as the venting slots. Made specifically for the ResMed Mirage Activa (Does NOT work with the Mirage Vista)