ResMed AirSense 10 Side Cover Color:Black The oxytube contains a port

The oxytube contains a port for Oxygen to be connected to the tube

The DreamStation Humidifier Lid Seal seals the humidifier water chamber (tank) to the humidifier lid

with a variety of design enhancements and features like Lavender color accented Headgear and smaller cushion sizes just for the female user

- Suitable for all ages and levels of dexterity

ResMed AirSense 10 Side Cover Color:Black The oxytube contains a portIf you are on a trip and want to use your AirSense 10 machine without humidifier, here is your solution: The Air 10 Side cover. Just replace the humidifier with the side cover and you are ready to start your therapy. This cover is an optional accessory to use with AirSense 10 CPAP machines. Fitting over the slot where your humidifier chamber would normally be installed, the Side Cover allows you to use your CPAP machine without using your humidifier.