This A.O. Smith tank is an American Society of Mechanical Engineers (ASME) certified storage unit with a capacity of 432 gallons. The interior of the tank is lined with glass, a feature that enhances its durability and resistance to corrosion. This lining also aids in maintaining the purity of the stored substance, making it suitable for storing various types of liquids including water. The ASME certification ensures that the tank meets industry standards for safety and performance.