Standard chambers sizes are offered in five convenient sizes: 10, 17, 32, 41, and 58 ft   3 and are available in four temperature, or temperature and humidity combinations to provide the ICH general stability conditions for room temperature storage, intermediate storage, and accelerated shelf life studies.     Chambers can be equipped with optional lighting systems to comply with guidelines for photostability conditions. Assistance with IQ and OQ protocols or complete chamber validation is available as well as computer interfacing that includes Windows 95®based software for multiple chamber monitoring.