Water tanks are available in all sizes with a 4-year warranty against seam separation. If there is any issue with the tank, it will be replaced under our company's warranty, Imtiaz Al-Mudhalla Trading Company. Available sizes: 750 liters 1500 liters 4500 liters 6000 liters 9000 liters 10500 liters 12000 liters 15000 liters 18000 liters 600 liters 900 liters