Coldstream CTO Max Ceramic is our new cleanable, Fluoride reduction filter made in the UK. Effective in reducing Fluoride up to 89% as well as Chlorine Taste Odor and up to 99% reduction of Particles including microplastics, PFAS, Bacteria, Chemicals, Heavy Metals, Virus, Pharmaceuticals, Pesticides and Herbicides, This cartridge is a cleanable cartridge and can replace the Doulton Ultracarb and Super Sterasyl. It fits in a standard 10” x 2.5” Housing. Can be used on its own for single systems or In combination with Carbon cartridge in a twin system. This cartridge will produce great quality drinking water at a rate of approx. 2 litres per minute and has a life expectancy of 12 months, or a capacity of 4500 litres, dependant on water quality, consumption and cleaning frequency.