Fisher & Paykel Brevida Nasal Pillows MaskAdjustable Headgear Brevida includes a simple, adjustable headgear to deliver an individual fit and is designed to stay in place during sleep. AirPillow Seal The innovative AirPillow inflates to form a gentle and effective seal. Washable Diffuser The diffuser, which reduces noise and air draft, is washable and durable. VisiBlue Blue highlights incorporated into the mask key components assist patients with daily mask use. View F&P Mask App