Kefir Fermenter 0.35L/12oz Dramatically simplify homemade kefir process. Just pour milk and drink fresh kefir in 20-24 hours. Refillable: can be made fresh daily Great time saving: no more pouring from one jar to another, no strainer, no spatula, no cleaning. Saves money when you make your own kefir from milk. Just place Kefir Grains in container and use continuously.