Puraclenz uses an evolved form of photocatalytic oxidation (PCO) used to improve indoor air quality for astronauts at the International Space Station. Puraclenz deactivates viruses, bacteria, mold, fungal allergens, and other harmful pathogens in the air and on exposed surfaces. Puraclenz Core combines the performance of True HEPA air purification with the most technologically advanced PCO air and surface purification available in the marketplace.