Decon7 Systems, Inc., is a research-based manufacturer whose flagship product, D7, is one of the most powerful EPA-registered disinfectants available. D7 is used in multiple industries, including HVAC for improved indoor air quality (IAQ). D7 is a disinfectant, deodorizer, sanitizer and powerful cleaner that eliminates up to 99.9999% of harmful pathogens such as mold, bacteria, viruses and mildew that collect in HVAC equipment and can impact IAQ.