An apparatus includes an enclosure including one or more ultraviolet lights configured to kill germs, the enclosure including a drawer for placing items into and removing items from the enclosure, wherein the enclosure is configured for insertion into an existing cabinet. The apparatus can include an adjustable width bracket, wherein the adjustable width bracket allows the enclosure to be secured against side surfaces within the existing cabinet. The apparatus can also include an adjustable depth bracket, wherein the adjustable depth bracket allows the enclosure to be secured against a back surface within the existing cabinet. The apparatus can also include a bottom bracket, wherein the bottom bracket allows the enclosure to be secured against a bottom surface of the existing surface. In one example, the enclosure is connected to an air filtration system.