1. The business mainly operates in the United States, with its core business being the sale of efficient, quiet, energy-saving portable HEPA air purification devices based on the Corsi-Rosenthal Box design.
2. Within Health / Medical, it is a specialized niche brand, with competitors including traditional air purifier brands such as Blueair, Dyson, and Levoit.
3. The official website brand terms are "CleanAirKits" or "Corsi-Rosenthal Box".