Jumbo filter for the main home water tank, consisting of three purification stages: 1- Cotton Filter Made of a polypropylene cotton cartridge that filters up to 5 microns and removes solid impurities like sand, mud, and algae. 2- Granular Carbon Filter Made of thermally activated carbon, its function is to remove dissolved gases and treat water from unwanted substances such as chlorine, taste, odor, and color. 3- Solid Carbon Filter Made of solid carbon with 1-micron pores, its function is to remove the smallest impurities before water enters the tank. Price includes installation.