| Table Notes: |
| * |
5 to 500 ml/min requires Adjustable
Low Flow Holder |
| ¤ |
Requires Adjustable Low Flow Holder and Constant
Pressure Controller (CPC) |
| # |
PCXR8 Only |
| |
PCXR4 and PCXR8 Only |
| |
Requires Adjustable Low Flow Holder |
| + |
AirChek XR5000 models containing Li-Ion battery only |