Advanced carbon filtration technology offers a safe, high performance alternative to conventional ducted fume hoods for a broad range of applications. Purair® ductless chemical processing workstations are a series of high efficiency products designed to protect the user and the environment from hazardous vapors developed during evidence processing. The Purair Basic and Advanced offer a host of options applicable for a laboratory of any size. The technology driving the Purair fume hood product line is the innovative Air Science Multiplex Filtration Technology that creates a safe work environment over the widest range of applications in the industry.