The FlowHood CFM-88L air balance system may also be ordered as a model CFM-850L with the multipurpose ADM-850L AirData Multimeter.

This model includes the meter, the base metering section, various top sizes and carrying case.

The CFM-850L measures pitot tube velocity, static pressure and temperature, in addition to airflow.

The accessories for measuring air velocity, pressure, and temperature may be ordered as needed.