Does the 900 Liter Reservoir Bag come with a CPAP mask or a Mega Flow Mask?

The 900 Liter Reservoir Bag comes with a Mega Flow Mask. You can choose from the following size options:

• Small-Suitable for persons who are 5’3” or below

• Medium- Suitable for persons who are between 5’4” to 6’4”

• Large- Suitable for persons who are 6’5” and up