The 3MJ Plug from Fittings Unlimited Inc is a reliable solution for sealing and capping fluid lines. With a size specification of 3MJ, this plug is designed to fit securely in standard fittings, preventing leaks and ensuring system integrity. Made from durable materials, it offers excellent resistance to corrosion and wear, making it suitable for various applications. The plug's design allows for easy installation and removal, providing convenience in maintenance and system modifications. This product meets industry standards for quality and performance.