The Aqua Flo Platinum QCRO (Quick Change Reverse Osmosis) is IAPMO R&T certified against NSF58 for the reduction of lead and other harmful contaminants from water. A perfect system for homeowners looking for safe, great tasting drinking water right from their tap, the company says. The system features quick-change “twist and lock” filter cartridges that are quick and simple to replace. Choose from ten interchangeable filters to offer your customers a variety of treatment options customized to their exact water needs. Canature WaterGroup.