Keurig K-Duo Single Serve and Carafe Coffee Maker The K-Duo Single Serve and Carafe Coffee Maker is the perfect brewer for any occasion. This versatile brewer uses both K-Cup pods and ground coffee to brew a cup and a carafe of your favorite varieties. The included 12-cup glass carafe and heating plate are perfect for keeping your coffee hot . and the added convenience of the Pause andamp; Pour feature makes serving a snap. No need to wait for the entire carafe to brew . as the Keurig K-Duo Single Serve and Carafe Coffee Maker can be paused mid-brew for 20 seconds so you can pour fresh . hot coffee right away. You can also set your preferred brew time up to 24 hours in advance to enjoy a freshly brewed carafe right when you want it with Programmable Carafe Auto Brew.