12
Specifications
The technical specifications of the mask are provided for your
healthcare professional to determine if it is compatible with your
CPAP or bi-level therapy device.
Warning:
Use outside of these specifications may result in
ineffective therapy The pressure flow curve shown below is an
approximation of expected performance. Exact measurements
may vary.
Pressure Flow Curve
F
lo
w
R
at
e (
S
LPM
)
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
0
5
10
15
20
25
30
Pressure (cm H
2
O)
Resistance with Flaps Closed to Atmosphere
Drop in Pressure (cm H
2
O)
at 50 SLPM
at 100 SLPM
All Cushion Sizes
0.9
3.1
Closed to Atmosphere:
A minimum of 3 cm H
2
O must be maintained
to ensure that the flaps close.
Open to Atmosphere:
At an airway pressure less than -1 cm H
2
O, the
flaps will be open.
Inspiratory and Expiratory Resistance with Flaps Open to
Atmosphere at 50 SLPM (cm H
2
O)
Inspiratory Resistance
0.4
Expiratory Resistance
1.8
