Review on Vornado PCO575DC Air Purifier: True HEPA & Carbon Filtration for Allergens, Smoke, Odors & Viruses, Whole Room, White by David Gagnon

Excellent air movement without unnecessary noise. Methods other than HIPPA are intriguing and seem valuable. Especially cleaning of organic vapors. The air status indicator seems to work or at least indicates if the air is clean or not! Fairly large block for a large room or one where it is less visible. The top controls are easy to read and use. Auto mode is fine, but I'd rather leave it at a reasonably high speed. I don't use sleep mode at all. No need. Many square centimeters of filter surface, all easily accessible for replacement. The long-term cost of replacing the filter can depend on the level of pollution.