This TZ70003 / TCZ7003 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. 17000705 Type: TCZ7003. Protects system from limescale deposits, and improves coffee taste Removes chlorine from tap water Replace every two months Suitable for the following coffee machines: TCA7... TCC78... TK7... EQ.7, C77V60 Filter Part No. 17000705 Type: TCZ7003. Protects system from limescale deposits, and improves coffee taste Removes chlorine from tap water Replace every two months Suitable for the following coffee machines: TCA7... TCC78... TK7... EQ.7, C77V60