The GC Multigas has enhanced performance for a wide area of molecular and particulate contaminant control. Think of the GC Multigas like a gas mask. It works the same way. The GC Multigas maximizes the molecular filtration on a variety of gaseous odors and chemicals and eliminates them. All with its advanced filter cartridge design. It is also superb in filtering out the tiniest particles from the air. This air purifier is designed for individuals with sensitivity to many chemicals. This compact machine eliminates micro particles such as pollen, dust mites, pet dander, and mold spores from your home easily and efficiently. It eliminates odors as well. The cartridge based activated carbon absorption sucks away pesky odors from the air, like smoke and pet smells. The large surfaces on the filters cartridges allow for excellent airflow rates. The advanced filtration system eradicates 97% of microns at .3 in size. Bacteria and viruses don�t stand a chance with the GC Multigas purifying the air in your home or office. The machine is ultra-quiet and has an easy to access user panel. The high performance fan with advanced fan control and carrying handle add up to making the GC Multigas one user-friendly air purifier. The filters on the GC Multigas are easy to replace and it�s an energy efficient machine. Not only are you cleaning your home�s air but you are also being good to the environment. If you need a top of the line, powerful air purifier to eliminate gaseous contaminants, then the GC Multigas by IQAir is the purifier for you.