Low Alkaline Far Infrared Mineral Tourmaline inline 10"x2" filter, upgrade any Reverse Osmosis Perfect source of negative ions and far infrared rays (FIR) Activating water molecules and improving oxygen level in our body Releases more than 15 important minerals needed for human body: SiO2, K20,CaO,Na2O,MgO etc Accelerate metabolism and boost up immunity of human body Service life: 6-12 months. Comes with 2 elbow fitting, 2 small/small clips, 2 tubing