Cafiza Espresso Machine Cleaner Powder is an integral part of the daily maintenance routine for espresso machines. Specifically formulated for effective use in the back flush cleaning process, this product combines maximum solubility and cleaning power with easy rinsability. Recommended with a wide-range of traditional espresso machines and NSF certified. The case contains 12 bottles, each 20oz. This is the best way to save an additional 15% off single unit pricing!