The plastic coating of the filter elements has good sealing performance, which can prevent the activated carbon in the filter element from flowing into the water tank. Premium materials: Our coffee filter cartridges contain high -quality ion exchanger resin and activated carbon that reduce chlorine, heavy metals and other potentially harmful contaminants in the water.So you can water and enjoy sweet and delicious coffee Extend the lifespan of your coffee machine: This water filter can reduce water hardness and contamination in the water, prevent the formation of from, which improves the performance of the coffee machine and the service life of the coffee machine is extended These replacement filters fit a of coffee machines: for DLSC002 ECAM, Esam, , BCO, EC 680EC800 Regular exchange: For the best results, a regular filter (at least every two months) is recommended.Adjustable depending on the water hardness. Note: Dive the filter completely under running water before use. size: About 15.7cm long Material: plastic colour: White Package Contents: 10 x coffee machine filter Only the above package content, other products are not included. Note: Light reflection 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.