Aerus Air Scrubber model A1013U (also known as part number 9960052) is an ozone-free, whole-home HVAC duct-mounted air purification system using ActivePure® Technology. It installs into your home’s ductwork to reduce airborne and surface contaminants (like viruses, bacteria, mold, and odors) without producing ozone, making it CARB-certified for safe use in all states.