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3
INHALATION
3.1 Function check
Clear pathway through the valve
After receiving the VORTEX, check that the path through the
valve in the mouthpiece is unobstructed:
• Run tap water through the lip
attachment into the mouth-
piece.
The water should escape
through the side openings in
the mouthpiece.
• Let the tap water run out
through the bottom of the
mouthpiece.
The water should run out of the
lip attachment again.
• Dry the VORTEX completely before using it for the first time.
If the valve is obstructed, the VORTEX must not be used.
Position of the valve
Before every use, check that the valve is in the correct posi-
tion inside the VORTEX mouthpiece:
• Check that the valve is in the
position shown inside the
mouthpiece.
If necessary, use a stream of
water to correct its position.
• Dry the VORTEX completely before using it again.
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