Brewooze 3x Smart Refillable cups - Compatible with Keurig Brewers 2.0 | K300,K350,K400,K450,K500,K550 Series and 1.0 brewers - Fits Perfectly Inside Keurig,Cuisinart,Breville and Mr Coffee Machines ? VERSATILE & REUSABLE: Brewooze Smart Refillable K-Cups are compatible with most 1.0 and 2.0 Keurig brewers and Keurig Filters on the market today, so you can use them in your favorite Keurig water filter. ? FRESHEST BREWED COFFEE: Designed for maximum water dispersion, our refillable K-cups ensure a bold, delicious and fresh cup of coffee every time using Nano Absorption technology. ? SUPERIOR K-CUP DESIGN: Unlike one and done paper filler or plastic K- cups, our high-quality reusable k-cup filters work with all your favorite coffee flavors so you can save money and the environment simultaneously. ? MONEY BACK GUARANTEE: If youre unhappy with our reusable K-cup filters for any reason, simply return them within 30 days for a full refund. ? PREMIUM CONVENIENCE: Our refillable K-Cups are great for work or at home. And because its a 3-piece set, you can have three different on-the-go flavors ready any time! Theyre also fully compatible with all Keurig Modern Models released after 2007, including: K-75 K-65 K-40 K-45 N-20 K350 K450 K550 K500 K250, Keurig Special Edition and Keurig Platinum Coffee Makers.