The Cold Bruer Slow Drip Cold Brewer is an easy to use slow-drip brewer that will make up to 20-oz. of rich and flavorful coffee concentrate in about 4 hours, in your refrigerator. This unique method produces extremely smooth coffee with very little acid and the coffee concentrate can be used to make hot or cold coffee drinks! The brewer is made from a quality glass pitcher and brew chamber, premium food-safe silicone and stainless steel. The Cold Bruer includes a reusable stainless steel mesh filter and a starter pack of paper top filters.