Rubber seal plugs are versatile components designed to provide protection and sealing for various applications. They are extensively used in HVAC systems to safeguard tubing, ensuring its integrity and functionality. In the medical field, these plugs play a crucial role in sealing tubing, maintaining the necessary sterile and secure environment. Beyond these uses, rubber seal plugs find application in recreational and sporting equipment, such as being utilized as drain plugs for kayaks, pedal boats, and fishing boats. They are also adept at plugging fuel lines and other types of hoses, tubes, and lines, demonstrating their adaptability across different industries. Furthermore, their robust design makes them suitable for use in components that contain chemicals or are exposed to high-temperature environments, ensuring a reliable seal and protection under various conditions. This wide range of applications highlights the essential nature of rubber seal plugs in providing effective sealing solutions in both industrial and recreational contexts.