Baby parameters: 6.8L: inner pot - outer diameter: 25.5cm， inner diameter: 22.5cm.Polishing steel ring diameter: 18cm. Height (pot mouth → heat steel ring): 14cm. About 4.1 liters， it is recommended 2-4 people to use 8L: inner pot - outer diameter: 25.5cm， inner diameter: 22.5cm. Poly hot steel ring diameter: 20cm. Height (pot mouth → heat steel ring): 17cm. About 5.5 liters recommended 3-5 people to use， outside the pot for the drum. 9L: inner pot - outer diameter: 27.5cm， inner diameter: 24.5cm. Poly hot steel ring diameter: 20cm. Height (pot mouth → poly hot steel ring): 15.5cm. About 6 liters， recommended 4-7 people use
