The Cold Bruer Slow Drip Cold Brewer is ideal for those who want to reduce the acid in their diets without giving up coffee. This unique and simple method brews 20-oz. of extremely smooth full-flavored coffee concentrate with the lowest acid possible. Then you just mix it with hot water for a fast regular coffee or use your imagination to create cafe-style coffee drinks that can be served hot or cold. The concentrate will store in the refrigerator for up to a week The Slow Drip Cold Brewer includes a premium glass pitcher with handle and a glass brew chamber that rests over it. Premium food-grade silicone surfaces and lids protect the glass and contents while the reusable stainless steel filter offers the purest results. A stainless steel drip valve adjusts with a twist for a longer stronger or faster lighter brew. This slow-drip method takes about 4 hours to complete a full 20-oz pitcher of concentrate which can be used to make up to 60-oz. of regular coffee. A starter pack of paper filters and full instructions are included. Hand wash only. Measures 5" l x 5" w x 10" h.