This device is a catalytic medias filter, also called casually as “salt-free water softeners”. These conditioners do not use salt or chemicals, does not need electricity, and no maintenance is required. It uses a process referred to as Template Assisted Crystallization or TAC.
During TAC, the calcium and magnesium in the water go through a chemical reaction that changes them into hardened crystals. The crystals can’t stick to surfaces, which then reduces limescale build up and hard water spots in your home. Note, catalytic medias filter do not remove hard water minerals found in water, they only change the chemical structure. Comes with a 10 year Guarantee.