ResMed AirFit F40 Headgear Size:Small (SML) The Air11 DC/DC converter is

The Air11 DC/DC converter is only compatible with Air11 devices

Medium and Large or in a FitPack which includes all cushion sizes (small

Medistrom Car Charger for Pilot-12/24 Lite

Minimise mask leak

or ResMed original AC power adapter for AirSense 10)

ResMed AirFit F40 Headgear Size:Small (SML) The Air11 DC/DC converter isThe replacement headgear for the ResMed AirFit F40 Full Face CPAP Mask is designed to simplify your sleep therapy routine, focusing on comfort and ease of use. With magnetic clips for quick attachment and adjustment points to ensure a perfect fit, this headgear is crafted to make your nightly setup and adjustments hassle free.