Keurig Dual coffee brewing system for Single serve K-Cup pods and carafe. Use K-Cups to brew a 8, 10 or 12 oz single cup of coffee or tea, or brew in a carafe for 8, 10 or 12 cup servings. Select your brew function and ounces located at the top of the Keurig machine by pressing the appropriate buttons (brew function and serving size). Includes a removable single serve drip tray and glass carafe for easy pouring. Water reservoir holds 60 oz. Water reservoir is removable for water refilling. Uses Basket size coffee filters. This Keurig K-Duo coffee machine is gently used. There is a mark on the water reservoir which was packing tape from manufacturer, and there is a small scratch on top of coffee machine. Other than that this K-Duo works great and makes GREAT coffee anytime of the day! This coffee machine serves the best of both coffee drinkers in your house! Keurig Duo is packed in original box.