ResMed AirFit / AirTouch F20/F30 QuietAir Elbow Replacement Purdoux hoses are smooth and

Purdoux hoses are smooth and durable on the inside to produce the best results

1 × ResMed Quattro Elbow (replacement elbow only)

No additional software or cloud logins are required

1x Nova™ Nasal Cushion

MINIMALIST DESIGN Made up of just three parts -- nasal cushion

ResMed AirFit / AirTouch F20/F30 QuietAir Elbow Replacement Purdoux hoses are smooth andQuietAir is a new diffuser vent within the mask elbow. Featuring small multidirectional openings over a widespread area, QuietAir breaks up exhaled air so that it's spread out lightly. While it releases the same amount of air per breath as our existing standard elbow, it's much quieter and gentler. 89% Quieter than before at 21dBA 70% Gentler exhaled air flow