... and hygienicModel: RC-105ABCapacity: 80L/325cups/250ML/cup×2With 13 layers shelvesSpace shelves: 92mmAutomatically Switchover from Sterilization to Fermentation or RefrigerationFunctions ... , 30 degreeFermentation time for yogurt, natto, rice wine: 4-6-8 hours, 14-22-36 hours, 36-54-72 hours or ... number of Yogurt Makers,please check out our products: Automatic13 layers commercial Yogurt Ferment Machine