Cafe Flow Stainless Steel Premium K-Cup format reusable permanent filter capsule compatible with Keurig 1.0 & 2.0 Brewers.Metal Filter - The Cafe Flow Stainless Steel reusable coffee pod is made of long-lasting, durable, and eco-friendly stainless steel metal material. It can withstand years of use.Easy to Use - Our all-in-one reusable coffee pod and built-in filter is all you need. No extra adapter, parts, or tools required.Make Fresh Coffee, Save Money & Reduce Waste - Unlike pre-filled single-serve coffee pods, you can enjoy a wider selection of different flavors and aromas by refilling your own reusable coffee pod.Brew a fresher, better-tasting cup of coffee. Save up to 80% over pre-filled options and eliminate unnecessary environmental, plastic waste.Compatible with Keurig and Other Single Serve Coffee Brewers - Works with Keurig K-Mini/K-Mini Plus, K-Duo, Keurig 1.0/2.0, Office Pro, K-Series, and select Mr. Coffee, Breville, Cuisinart, and Mueller Austria coffee maker models. (*see chart for full details).