The ELIMA-DRAFT Solid Vent Cover for HVAC Commercial Vents 24 inch x 24 inch makes it easier to manage the ventilation in your bulding. It blocks off those diffusers that put out too much hot or cold air or are in unused areas such as closets. This ELIMA-DRAFT vent cover is ideal for office spaces medical settings and schools or other environments. The magnets inside make it easy to install without the need for tools or hardware.
My wife's small office has this ceiling vent which is overkill for
Diffusers
Elima-Draft 24 in. x 24 in. Commercial Solid Cover For Diffuser ELMDFTCOMSD3471 - The Home Depot
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Warm and cool air flows freely throughout the room eliminating employee discomfort. Improve room circulation. Re-direct airflow in rooms. Unrestricted airflow. Use all year round on central air conditioning and forced hot air systems.
Elima-Draft Commercial Air Deflector Vent Cover for 24 x 24 Diffusers