Check the listing for details. NEW Keurig Coffee Filter Reusable My K-Cup Permanent Refillable Grey Qty 2 Pack. Color: grey, Condition: New. Listed at 7.79 USD. 3-piece replacement filter set in a sealed pouch with instruction label attached. Not in ziplock bag or retail box. Filter housing is color gray. Allows users to use their own gourmet ground coffee in a Keurig brewer Fits Keurig home brewers B30 B40 B50 B60 B70 series. Does not fit VUE, B130, B131, Office Pro or other commercial models. B31 please make sure existing K-cup holder is removable first. Rinse clean under running water after each use. For use with Keurig K-Cup brewers Fits in the brew chamber of a Keurig brewer Each 3-piece set includes one mesh filter basket, one gray color holder and lid. Each set is in individually sealed pouch with instruction label attached. Reusable design allows you to make your own favorite ground coffee.