Introducing the all-new Delici ADPC3E Aluminium Pressure Cooker The metallic safety plug melts to let out steam when the temperature or pressure rises beyond the safe level due to insufficient water or when food particles clog the vent tube. The metallic safety plug melts to let out steam when the temperature or pressure raises beyond the safe level due to insufficient water or when food particles clog the vent tube. When there is an excess build-up of pressure within the cooker, the gasket bulges out through the slit from the side in the lid of the pressure cooker. The pressure cooker is designed to make your cooking experience better with a cool and comfortable grip. And it is 3 Ltr. • Superior Virgin Aluminium • High Thermal Heating Capacity • Extra Safe GRV System • Lead-Free Safety Valve • Quick Heating Bottom • Heat Proof Bakelite Handle • Leak-Free Outer Lid • Quality Pressure Regulator • 3Ltr • Food Grade Rubber Gasket • Strong Anti-Bulging Bottom • 5 Years warranty