The AquapHyll Duo is a compact dilution control system to accomplish 95% of cleaning and disinfecting tasks in two steps. Both the Centers For Disease Control and Prevention and Environmental Protection Agency recommend using a two-step process when addressing virus contamination. The first step is to CLEAN to remove soil, grease, and other contaminants from a surface. Cleaning allows the DISINFECTION process to work directly on the surface. The AquapHyll Duo makes process efficient, convenient, and effective.