This Bosch Neff Siemens Intenza water filter helps protect your appliance against limescale and minerals from the water which leave deposits on your machine and in the coffee. Repeated limescale build-up due to water hardness can damage your appliance's functioning parts, as well as affecting the taste and aroma of your coffee. To keep your appliance peforming well, replace filters after 400 cups of coffee or as specified by your user manual. Filter Part No. 17000706 Type: TZ70003 / TCZ7003 Adjustable depending on water hardness Protects against limescale deposits Includes 3 x water filter cartridges Filter Part No. 17000706 Type: TZ70003 / TCZ7003 Adjustable depending on water hardness Protects against limescale deposits Includes 3 x water filter cartridges