Active Air Carbon Filters are loaded with virgin activated Australian granular carbon. This high quality carbon adsorbs odors and VOC's (volatile organic compounds) therefore trapping every odor molecule that passes through the filter onto the micro-porous carbon surface. These filters are light weight and incredibly effective at removing the most potent and dankest odors. Each filter is machine packed and includes 2 premium pre-filters that stop dust and improve the filters lifesapn. Keep your business, Your business with these superior carbon filters by Active Air.?

? Attached flange
? 1.8" carbon bed depth
? Powder coated aluminum tops & bases
? Life expectancy up to two years, depending on environmental factors.