Brevida Nasal Pillows Diffuser Size:One Size All size cushions will fit

All size cushions will fit any F20 frame

Resmed AirTouch F20 Cushion Replacements

iVAPS continuously monitors ventilation and the upper airway

enabling you to find your perfect fit and enhance the therapy effectiveness

As the mask is adjusted the machine's display will update to advise if a proper fit is detected

Brevida Nasal Pillows Diffuser Size:One Size All size cushions will fitThis Diffuser Cover snaps over the built in exhalation holes on the Brevida Nasal Pillows Mask elbow. It is an optional item that will reduce sound levels by approximately 5 dBA, and disperse exhaust airflow, when in place. USAGE: The Fisher & Paykel Brevida Diffuser Cover is washable and reusable making it a great, eco friendly, addition to any Brevida mask. It should be washed in warm, mildly soapy water, once a week and then rinsed and air dried