Jura 13331 This high-quality coffee maker is equipped with a powerful 5-level conical grinder and a high-performance pump (15 bar). It features an Intelligent Pre Brew Aroma System (I.P.B.A.S.©) which optimizes the brewing process for maximum flavor extraction. Thanks to the variable brewing unit, you can adjust the amount of coffee grounds used (5-16g) to suit your taste preferences. The Jura 13331 also allows you to use pre-ground coffee, providing you with even more flexibility in your coffee-making routine.