Aerovia Air Duct Cleaning 104 Chowning Dr, DeSoto, TX 75115, USA (214) 851-1545No products are at present registered by EPA as biocides for use on fiberglass duct board or fiberglass lined ducts so it is important to find out if sections of one's system comprise these materials prior to permitting the applying of any biocide.three. Closing Inspecti