Fume hoods with Waddell airflow control valves, fume hood monitors, sash position sensors, air flow measuring stations, and VAV control.
Airflow measuring station for volumetric and pressure control of critical spaces, like laboratory, pharmacuetical, and fume hood applications.
Fume hood with Waddell fume hood control compnents, including sash position sensor, fume hood face velocity monitor, airflow control valve, and VAV or CV control with DDC controller.
High pressure pneumatic damper, pneumavalve, with transitions and VAV diffusers for laboratory pressure control.

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