The 4MB Plug STR from Fittings Unlimited Inc is a high-quality fitting designed for reliable connections in various applications. This plug features a 4MB size, ensuring compatibility with standard fittings. Constructed from durable materials, it offers excellent resistance to wear and tear, making it suitable for both industrial and commercial use. The plug is designed to meet industry standards, ensuring a secure fit and optimal performance. Ideal for use in hydraulic systems, plumbing, and other fluid transfer applications.