Which air purifier is best for classrooms?

This depends on the room size of the classroom but typically, we recommend our HSP002 air purifier which can cover room sizes up to 1500 square feet or, HSP003 which can cover up to 2800 square feet. Some classrooms are smaller, and their air quality needs can be met with our HSP001 air purifier, which can cover rooms up to 700 square feet.