URN CLEAN, 150/CS Controls & removes coffee oils & mineral deposits in all of your brewing equipment & containers. Makes it easy to ensure great tasting coffee while maintaining machine efficiency. Keep your serving containers looking like new. NO MORE GRIMY COFFEE POTS. Designed to clean the following: Urns Percolators Automatic Drip Airpots Teapots Tea Brewers Pitchers Permanent Filters Carafes Thermos Mugs Espresso Machines Will not harm any components of your machine & leaves no toxic residue!