CAIRE HELiOS Marathon H850 Home Use Manual page 52

You may also be instructed to use a humidifier bottle with
an external flow control (Figure 15). When using an
external flow control, your oxygen supply company will
supply you with a supply line and a single-lumen cannula
for use with the Reservoir.
Humidifier
bottle
WARNING: An external flow control that can be set higher
than 10 L/min should not be attached to your HELiOS
Reservoir.
Figure 15: Humidifier bottle with external
flow control
Accessories
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