YYE-004 Environmental Test Chamber for Drying Silica Gel Industrial Drying Oven Product Overview The YYE-004 Environmental Test Chamber is designed for drying silica gel and various industrial applications. During the drying process, cold air is drawn into the chamber by the circulation fan and passes through the electrical heater (or oil/gas burner) in the air channel to achieve the required temperature. With the assistance of an air distributor, hot air flows evenly through