ADS Series Industrial Clean Bench with Vertical Airflow, Yamato Scientific America Inc. (CAT#: STEM-LE-2094-LC)

Vertical airflow: The air moves downward from the filter located on the ceiling towards the work surface, and can choose circulating or non-circulating airflow
The air will not blow directly to the user's face, because the sash acts as a barrier in front of user's face
The wind speed sensor can digitally display the discharged wind speed and accurately track the draft condition inside the workbench
The optional wind speed controller for adjustment of wind speed