Our Reusable Keurig Duo filters are an i to the usual paper filters. Compatible Compatible with Keurig K-Duo Essentials and K-Duo Brewers. Not compatible with Keurig K-Duo Plus Single Serve! Taste of your favorite coffee Our reusable K-Duo filters and 2 reusable k cups will ly let you improve the taste of your coffee. Unlike paper filters, our filters don't lose aromatic oils and taste and spoil your fresh coffee. Our filters transmit aroma differently than paper filters and you get only the taste of your favorite coffee. Save your money With our Reusable K-Duo Keurig filters, you don’t have to constantly buy paper filters all the time. You buy filters once and use them for a long time. This is way to in the long run. Eco-friendly These filters are BPA, LEAD and DEHP . Using our filters you contribute to environmental protection because a huge number of trees are cut down every day to create paper filters. Easy to clean Reusable K-Duo filter and 2 refillable pods clean easily under running water. The filters are totally smooth for easy washing inside and out.