Ideal as the last stage in any reverse osmosis system, it enriches the water with the necessary mineral salts and trace elements such as calcium, magnesium, potassium and sodium while at the same time raising the ph.. Available with 1/4″ NPT connection. Aqua Filter's high quality trace element enrichment filter. It enriches the human body with: • Calcium: One of the most basic trace elements for the human body as it is necessary for healthy teeth and bones. It helps in proper digestion, in the good functioning and normal beating of the heart, but also in the good functioning of the arteries and muscles. • Magnesium: It takes part in more than 300 different biochemical functions inside the human body. It is a decisive factor for the immune system and for proper blood circulation. Prevents cancer related diseases, atherosclerosis, brain and kidney diseases. • Sodium: It is responsible for the absorption and retention of water in the human body as well as for the ph balance in the human body. It is an excellent blood regulator. Available Size: 2″ x 10″ Working Temperature: 2oC – 45oC Longevity: 6 – 12 months (depending on feed water quality).