The Replacement 12-Cup Coffee Pot Carafe for Keurig K-Duo is a clear glass carafe designed specifically for the Keurig K Duo coffee machine. Made by the brand Keurig, this carafe is a model number kur4080 and is used for brewing filter coffee. Manufactured in China, this carafe is a convenient and essential accessory for coffee lovers seeking to replace a damaged or lost carafe for their Keurig K Duo coffee maker.