AirFree Onix 3000 Black Air Purifier. This non-ionic unit creates NO OZONE, an element that has been recently found to cause asthma attacks and even death is some circumstances. Ionic Air Purfiers such as the Sharper Image, Oreck, Purifion and Brookstone models can produce harmful levels of ozone in your home, not a problem with the OZONE FREE AirFree air purifier. Let us introduce you to Airfree the new and clean technology to reduce indoor pollution. Inside Airfree patented ceramic core 99.99% of all micro-organisms: spores, fungus, bacteria, virus, mold spores, are incinerated at temperatures around 400F. That is done without significant heat contribution to the ambient.