GoodCups Reusable Keurig K Duo Coffee Filter for K-Duo Essentials and K-Duo Brewers Only - Carafe Basket Permanent Coffee Filters for Keurig Duo and K-Duo Essentials Coffee Makers Accessories by

Reusable Keurig K-Carafe Permanent Coffee Filters for K-Duo Essentials, Keurig Duo Hot & Iced Coffee Makers

Keurig K-Duo Hot & Iced Single Serve & Carafe Coffee Maker, MultiStream Technology, 72oz Reservoir (Gen 2)

Amazon Basics Basket Coffee Filters for 8-12 Cup Coffee Makers, White, 200 Count