The 4MB Plug from FITTINGS UNLIMITED INC is a high-quality component designed for sealing and capping applications. This plug features a 4MB connection, ensuring compatibility with various fittings. Made from durable materials, it provides excellent resistance to pressure and temperature variations. Its compact size makes it ideal for use in tight spaces, while its reliable sealing capabilities prevent leaks in hydraulic and pneumatic systems. This plug meets industry standards, making it a trusted choice for professionals seeking dependable performance.