[Improve Coffee Taste]Coffee is made up of about 95% water, so the water you use has a significant impact on the taste. This filter contains high quality ion-exchange resin and active carbon which stabilizes the calcium carbonate and removes impurities which impair coffee flavour and . [Protect Your Coffee Machine] Water Filter for improves machine performance and efficiency. Extend life of the machine by keeping pipes clean. Prevent congestion of coffee machines due to calcium deposits. [Safe and Environment Friendly]The effective reduction of chlorine, heavy metals and other harmful contaminants. Retains minerals and fluorides that are important for maintaining a balanced diet and -style. [2 Months' Lifespan]Please replace your Water Filter every 2 months to the continuation of , clean and filtered water. Type: Coffee Maker Parts Model Number: For Delongi coffee machine size:Height: 15.7cm Material:Activated carbon colour:White Package Contents: 4 x Filter wick Only the above package content, other products are not included. Note: Light 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.