7-stage water filter, American specifications, 100 gallons. It provides you with clean, pure, and healthy water without impurities, heavy elements, or germs, to protect you from diseases caused by polluted and impure water. From now on, you don't need to buy bottled water, and you can maintain your health and the health of your family with the six-stage water desalination device. It provides you and your family with a cup of clean water and a safe, healthy life. It is installed in the kitchen under the sink and produces 400 liters of 100% pure and healthy water per day. The salt percentage can be controlled as desired, with a free bottle. Free supply and installation. Warranty: 2-year warranty for electrical parts + 5 years of maintenance follow-up (technician visit fees are free).