Firsle PVC UV sterilizer plays a crucial role in water treatment. It is based on the principles of modern epidemic prevention, medicine, and optodynamics, using specially designed high-efficiency, high-intensity, and long-life UVC band ultraviolet light to irradiate flowing water, effectively killing various bacteria, viruses, parasites, algae, and other pathogens in the water, thereby achieving disinfection and purification of water quality. The application of ultraviolet sterilizers in water treatment covers multiple aspects. Firstly, in drinking water treatment, ultraviolet sterilization technology is widely used to kill bacteria and viruses in water, ensuring the safety and security of drinking water supplied to residents. Secondly, in industrial production, due to the need for a large amount of water, ultraviolet sterilizers can effectively treat industrial water to ensure that the water quality meets the requirements during the production process. In addition, swimming pool water needs to be kept clean and hygienic, and ultraviolet sterilizers can effectively remove microorganisms from the water, providing a healthy environment for swimmers.