Brevida Nasal Pillows Diffuser Size:One Size The cushions come in 4

The cushions come in 4 sizes and are only able to be used with this mask

The key is the frame needs to line up at the top of the head with the tubing connector between both ears

REMARKABLY LIGHTWEIGHT

and a reflection of the AC60's leap forward in every way

Brevida Nasal Pillows Diffuser Size:One Size The cushions come in 4This 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