If you need a portable tool for visualizing airflow, this is it. Easy to see, simple to use, no smell (with the cloud cartridges),and w/ no VOC's. I use it to test for leaks in air distribution equipment and systems and to see if airflow is laminar or turbulent.
If you're a mechanical engineer or any other professional in the HVAC industry who has to work on the airside equipment, you won't be disappointed.









