Interests: schools, museums, clarcor air filtration products is one of the world’s foremost manufacturers of air filtration products for the commercial, industrial and institutional markets. our products can be found improving the quality of air around the world in hospitals, office buildings, industrial plants, laboratories, pharmaceutical facilities, sports arenas and many more facilities where clean air is critical. clc air has the broadest line of filtration products in the industry designed to m, please make a selection below to learn more about airguard, air technologies, inc. (ati) and purolator.