Mirro, 22 QT, Pressure CookerCanner, 5, 10 15 LB Selective PSI Automatic Pressure Control Plug, Pressure Monitoring Device Built Into Handle, Made Of Heavy Gauge Aluminum, Heavy Duty Side Handles, Holds 30 Half PT, 16 PT, 14 Wide Mouth Pints Or 5 QT Jars, Quick Even Heating, Rustproof, Dishwasher Safe, Cuts Cooking Time Up To Two Thirds, Repetitive Safety Valve, Can Be Used Over, Triple Safety Device, Locking Handle Safety Feature Prevents Opening Under Pressure, Includes Over Pressure Release Valve Gasket Release Window, Pressure Control Clearly Identifies When Proper Pressure Has Been Reached