The 500 & 1000 vertical cylindrical tanks are primarily intended for potable water storage. Other permitted applications include: rainwater storage, irrigation water, or food liquids (oil, milk). The vertical cylindrical tanks are designed for above-ground installation, at atmospheric pressure, and fluid temperatures within the 4–45°C range. The delivery package includes: tank, lid, and gasket for lid sealing. Material: The tanks are produced 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 310 made of PP, with thread, black, and gasket, and incorporated brass metal inserts. The 500 L tank: manufactured with a 1-inch connection at the bottom. The 1000 L tank: manufactured with connections: – 1×1-inch and 1-inch at the bottom – 1×1-inch 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.).