DuctSox Corporation, headquartered in Peosta, Iowa, is a manufacturer of fabric air dispersion products for open ceiling architecture, critical environments, and under floor applications. Our fabric systems are a cost effective, aesthetically attractive alternative to metal ductwork and diffusers. They are easy to install, have low material waste on the jobsite, and offer many other Green advantages. Our products have been accepted within key industry organizations such as ASHRAE, Underwriters Laboratories (U.S. & Canada), International Code Council, and many building authorities throughout the world