The Kefir Fermenter is a large container with a volume of 1.5 liters (50 oz), perfect for brewing homemade Kefir. This fermenter is specifically designed for the fermentation of Kefir, making it ideal for producing your own probiotic-rich drink. With a big container of 290cc, you can easily make large batches of Kefir at once, making it convenient for both beginners and experienced brewers.