In addition to Environmental Chambers, CO2 Incubators, Refrigerated Incubators, and Heated/Humidified Incubators with capacities of 10, 25, and 33 ft³, 7000 Series includes Freeze/Thaw Chambers in 25 and 33 ft³ capacities. Units have built-in messaging and preventative maintenance features that inform users of basic service updates such as filter changes and annual calibrations. At push of button, on-screen trend mode will graphically display 7 days of performance data.