5 Litre O2 Concentrator Starter Kit

The O2 Starter Set contains the following items:

• 1 x Nasal Cannula with tube
• 1 x Humidifier
• 1 x O2-tube (2.1 m)
• 1 x O2-tube (4m)
• 1 x Adult Oxygen Mask with Nose Clip 

Images for illustration purposes only.

Firesafe cannula valve is an optional extra. 

https://www.theoxygenstore.com/oxygen-tubing-connectors/1-x-firesafe-oxygen-cannula-valve.html