Your Clean-a-Card R3 System (Return, Renew, Reuse), a product of MicrobeProof, efficiently disinfects and refreshes the surface of today’s returned guest keys, preparing them to be safely re-issued to tomorrow’s arriving guests. Unlike manual cleaning methods that may damage guest keys or leave germs behind on the surface, the Clean-a-Card system is quick and effective, will help control key card costs, and will help support your property’s sustainability goals. With Clean-a-Card, peace of mind is always in the cards.