The 73L Hot Water Tank with Expansion Vessel by Prostel is a high-quality storage tank water heater made from stainless steel. With a diameter of 50cm and a height of 66cm, this tank is designed for indoor mounting and has a side water connection location. It is powered by a corded electric source and is equipped with a heating system that ensures efficient energy use, making it an energy-efficient choice with a C energy efficiency rating. This white tank, featuring stainless steel construction, is a reliable and durable option for providing hot water in your home.