Made in the United States. Helps keep your coffee makers & kettles working efficiently Descaling solution helps keep your coffee makers and kettles working efficiently. Regular descaling can increase the service life of appliances allowing them to perform faster and with less energy. This all-natural, biodegradable, phosphate-free solution also contains a cleaning agent that will clean your appliance while descaling. Optimized for use with OXO On 12-cup Coffee Brewing System, 9-cup Coffee Maker, and Cordless glass Electric Kettle. Contains 14 Fl Oz (enough for 3 uses).