Whenever swabs are used for collecting biological evidence bloodstains found at crime scenes, it is always necessary to air-dry the swabs before packaging them to prevent degradation of DNA from bacteria. This extra drying rack can be used in the swab drying cabinet which is designed to greatly reduce the drying time by blowing ambient air over the swab bulbs and, at the same time, lessening the possibility of contamination of the collected swabs during the drying procedure.