7 Gallon Aluminum Vacuum Chamber Digital Heating Jacket7 Gallon Aluminum Vacuum Chamber Digital Heating Jacket A vacuum chamber heating jacket provides the user the ability to evenly heat the chamber around the circumference while being very stable and when combined with a heating pad it covers most of the vessel distributing heat on what is being degassed in the vessel. Key Features: Velcro Connections on each end. Digital PID Temperature Controller for accurate and stable control. Made of heat resistant