100% Australian Granulated carbon, aluminum top and bottom, integrated flange and 51% open perforation are features of the Can-Liteâ?¢ filter. The Can-Liteâ?¢ is available in 9 sizes with a CFM range of 250 â?? 3000. Can-Lite is manufactured in a dedicated carbon filter plant in North America. Each filter is shrink wrapped, boxed and labeled for ease of use. Activated carbon filters are the best way to eliminate most VOCs, gasses, and odors from the air. Combined with a fan in a ventilation system, 99.9% of noxious odors can be trapped inside the filter for good.