Eco-Fill Single-Serve Coffee Filter for Keurig Brewers Use your favorite coffee with your Keurig Brewer! Use any coffee and enjoy your favorite blends. Easy to use, with no need to remove the K-cup holder. Poly-Flo technology for a better cup of coffee. Use it like you would an ordinary K-cup. As easy as 2 simple steps: Fill with your favorite gourmet coffee Close the lid and brew! **NOT FOR KEURIG 2.0 OR THE VIEW**