RIS – 24 BL, CIS – 24 BL Orbital shaking incubators are specifically designed to have combined advantage of closely controlled incubation/storage-temperatures with orbital shaking necessary for many laboratory procedures such as tissue cultures, fermentation studies, enzyme reactions, controlled Incubation and aging tests, growth studies etc. Incubator Shaker model CIS-24 BL incorporates hermetically sealed compressor housed below the incubator to provide temperatures below ambient.