The tanks are primarily intended for storing potable water. Other permitted applications include storing rainwater, irrigation water, or food-grade liquids (oil, milk). The vertical cylindrical tanks are designed for above-ground installation, at atmospheric pressure, and fluid temperatures ranging from 4 to 45°C. The delivery package includes: tank, lid, and gasket for lid sealing. Material: The tanks are made from UV-stabilized polyethylene, class 8. Coloring is done with organic (alpha)-stabilized pigments certified for food use, with good resistance to light, UV radiation, and temperature. Structure and color: single-layer, blue. Lid: DN 400 made of PP, black, with thread and gasket. They are manufactured with connections: 1 x 1 1/2 and 1 x 1 at the bottom. 1 x 1 1/2 at the top. – The tanks have not been designed and CANNOT be used for pressures below or above normal atmospheric pressure (they cannot be used for pressurized or vacuum storage). – The tanks have not been designed and CANNOT be used for fuels or other petroleum products, nor for chemically aggressive substances (acids, bases, etc.).