Amazon.com: GoodCups Keurig K Duo Coffee Filter and 2 Reusable K Cups for K-Duo Essentials, K-Duo Brewers Only - Carafe Basket Coffee Filters and 2 Refillable Kcups for Keurig Duo, K-Duo Essentials
Amazon.com: Replacement Water Reservoir for K-Duo Essentials 5000 Coffee Maker.Compatible for Keurig K-Duo Essentials 5000 Water Reservoir Tank and Lid: Home & Kitchen
Amazon.com: CAFÉ BREW COLLECTION Coffee Pot Replacement for KEURIG DUO (not the Duo Essentials Model Sold at Wal-Mart) Coffee Maker, Borosilicate Glass Coffee Machine Replacement Carafe: Home & Kitchen