Reusable Replacement Coffee Filter Refillable Holder for Keurig My K-Cup Features: 100% brand new and high quality. To re-use - Rinse clean under running water after each use. Re-usable K-cup coffee filter exclusively designed and manufactured to fit for Keurig Home Brewing system. Fits following for Keurig home brewers - B30 B31 B40 B50 B60 B70 B71 series. For B31 please make sure existing k-cup holder is removable. Does not fit following for Keurig brewers - VUE, B130, B131, Office Pro or other commercial models. Specifications: Material:Food Grade Plastic+Food Grade Stainless Steel Color:Gray(As Pictures Show) Dimension:63mm*85mm*36mm Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow 1-3mm differences due to manual measurement Package Contents: 1xReusable Replacement Coffee Filter Dimension:63mm*85mm*36mm Fits following for home - B30 B31 B40 B60 B70 B71 series. For B31 please make sure existing holder is removable. 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your and light brightness. Color:Gray(As Pictures Show) Re-usable coffee filter exclusively designed and manufactured to fit for Home Brewing system.