Lotus Petal SySrion-Cup, Upgrade Reusable Coffee Filter for Keurig,120% Bigger Coffee Filter, My K-Cup Style,Fits B30 B40 B50 B60 B70 K7 K75 Series, Gray Lotus Petal SySrion-Cup reusable mesh bottom coffee filter for Keurig, filter fits B30 B40 B50 B60 SySrion filter basket holds approximately 3.2 tablespoons (15 grams) of coffee (if filled to the Having a mesh bottom leaves you with no residue. Rinse clean under running water after each use. Allow users to use their own gourmet ground coffee in a Keurig brewer.Perfect Gift for Coffee