Designed to brew coffee with 67-percent less acid than coffee made with hot brew methods * Patented cold brew system uses regular coffee beans to create super smooth hot coffee, but with no electricity required * The Toddy Cold Brew System also makes tea, served hot or cold * Set includes brewing container with handle, glass decanter with lid, 4 reusable filters, 1 rubber stopper, set of instructions, and recipe guid * Total of 4 filters and 2 rubber stoppers.