These NRP filters can help you remove impurities that interfere with the taste of coffee. Filled with charcoal inside. ! Coconut charcoal can remove impurities (chlorine, odors, calcium and others) that interfere with taste and quality. For best results, replace every month. ! Suitable for all brands of Cuisinart coffee makers. Not suitable for some hybrid models, such as SS-xx. Also compatible with Kenmore Drip Coffee Makers | Carpresso Partial Models | De'Longhi Partial Models Environmentally friendly packaging. The quality matches or exceeds the original filters. Filter size: 47 x 27 x 20 mm., Weight: 0.2625 pounds, Manufacturer: NRP