The item in the image is a Dayette Air Purifier box, specifically Model AP201. [1, 2]
This model is designed for small to medium-sized rooms and features a cylindrical design for 360-degree air intake.
It typically utilizes a True HEPA filter meant to remove 99.97% of airborne particles like dust, pollen, and pet dander.
The box identifies this as a "More Efficient Air Purifier"