Finerfilters Replacement Shower Filter Cartridge (Please note that this is ONLY the replacement cartridge) Main components: Carbon filtration, activated ceramic balls, calcium sulphite and KDF. Carbon + KDF filter media: KDF removes up to 10x more chlorine than carbon alone. KDF also releases a powerful anti- bacterial which helps prevent bacterial build-up in the shower-head and reduces heavy metals/contaminants. Enjoy smother softer skin, and reduce skin rashes, with less sinus irritation and healthier hair. Max Operating Temperature: 80°C / 120°F Service Life of Cartridge: 12000 gal or 6 months Height: Approx 8.4cm Width: Approx 5.6cm