Airpura Industries takes a quantum leap in air purification technology. High quality innovative devices, for a clean and healthy indoor environment. Since most people spend 90% of their lives inside, poor air quality can be a huge health risk. These air purifiers can filter out all allergens, chemicals, bacteria and viruses... Leaving only clean air. Several models are available. They all feature patented filtration systems with three levels. Able to filter out 99.97% of airborne chemicals, microorganisms, smoke, etc. (as small as 0.3 microns).