Thermo Scientific Heracell I series CO2 incubator provides the ideal InVitro environment: clean, reliable and easy to use, protecting your valuable samples while optimizing cell growth. They are available in two convenient sizes: 150 L ( 5.3cu ft. ) and 240 L ( 8.5cu ft. ) and in non-corrosive stainless steel or 100% pure antimicrobial copper.