The 6MB Plug STR Hollow from Fittings Unlimited Inc is a high-performance fitting designed for effective sealing in piping systems. This hollow plug fits securely into 6MB fittings, providing a reliable barrier against leaks. Made from durable materials, it is built to withstand various environmental conditions, ensuring longevity and reliability. The hollow design allows for easy installation and removal, making it a practical choice for maintenance tasks. This plug is suitable for both residential and commercial applications, offering a dependable solution for fluid containment.