Zen Living ZL-3C+ Ionic Air Purifier For Smokers With Oversized Carbon Filter, Dual Plate Ozone Generator, & Ionizer MADE FOR SMOKERS - Engineered with the specific task of meeting the demands of light and heavy indoor smokers HD CARBON FILTER - Unlike HEPA filters, our oversized Carbon filter is specifically built to scrub the air of smoke and odors. DUAL IONIZER - Exclusive dual ionization quickly and effectively removes smoke molecules that do not pass directly through the air purifier. DUAL OZONE - Able to run on 1 or 2 plates, power of Ozone is harnessed to break apart odor causing molecules for light and heavy odors, in small and large spaces FULL 5 YEAR MANUFACTURER WARRANTY  We are fully confident in the quality and durability of our products and back them with a full 5 year warranty. In the very unlikely event you encounter an issue with your purchase, simply call or email one of our friendly customer service experts and we will gladly take care of it.