The 4MFO Plug Str. from Fittings Unlimited Inc is a reliable plug fitting designed for secure closure in fluid systems. Featuring a 4mm male FO connection, this fitting is ideal for applications requiring a tight seal. Constructed from durable materials, it ensures long-lasting performance and resistance to corrosion. The fitting meets industry standards for safety and reliability, making it suitable for both industrial and commercial use. Its compact design allows for easy installation, making it an essential component for any fluid transfer system.