591ml

Cold holding power: 5.8°C or lower for 6 hours Cold holding power is the temperature of water when the product is filled with water of 4°C or lower up to the bottom of the water tank unit at room temperature of 20°C and left for 6 hours with the water tank unit attached after the water temperature is 4°C.

Cold holding power: 5.8°C or lower for 6 hours Cold holding power is the temperature of water when the product is filled with water of 4°C or lower up to the bottom of the water tank unit at room temperature of 20°C and left for 6 hours with the water tank unit attached after the water temperature is 4°C.