Universally Compatible: This reusable coffee filter fits Compatible With brewers universal B30 B40 B50 B60 B70 Series etc Easy to use: No need to remove or swap out the filter holder, built-in permanent stainless steel micro-mesh filterSuitable Compatible With Models: The reusable k cups fit home brewers B30 B40 B50 B60 B70 K10 MINI Plus, K15 K40/45 K55 K60/65 K70/75/79 seriesHealthy & Convenient to Use: The reusable k cup Made of stainless steel micro-mesh filter and plastic Compatible With durability,The twist top lid has already been a big improvement Compatible With durability and cleaning.No need to remove or swap out the filter holderMoney Saving&Environmentally friendly: Using kcup refillable cup could save money up to 80% than buying disposable K Cup coffee pods. Significantly reduced in landfillColour:greyMaterial:plasticPackage Contents:3 x filter elementsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.