ITEM NAME:Contactless Hand Hygiene Antimicrobial Brass Door Opener Elevator Handle K Ew.Easy to clean the Clean Key with a disinfectant wipe – will not tarnish or corrode the brass. Brass Alloy, which is inherently antimicrobial because of its 70% Copper content. Antimicrobial products slow or kill the spread of microorganisms including bacteria, viruses, protozoans, and fungi.