Compatible with all our Brita dispenser taps, P1000 cartridges provide approximately three months' filtration for purer, clearer, better-tasting drinks. Featuring multi-stage filtration technology, Brita's P1000 cartridges help to reduce limescale and other substances that impair taste. The result is a cleaner, clearer, better-tasting hot or cold drink. Features and Benefits 3 Month filter - Less frequent changes means less hassle. Under-the-Sink version - Fits neatly under your sink - vertically or horizontally, to fit your available space. Specifications Compatible with all our Brita dispenser taps Cartridges last approximately 3 months Suitable for normal, hard and very hard water areas Quick and easy to exchange Cartridge exchange indicator