The 20MFO Plug Str. from Fittings Unlimited Inc is a high-quality plug designed for secure sealing in fluid systems. Sized at 20MFO, this plug is compatible with a variety of fittings, ensuring versatility in installation. Constructed from durable materials, it provides excellent resistance to corrosion and wear, making it suitable for both indoor and outdoor applications. The plug is easy to install and offers a reliable seal, preventing leaks and ensuring optimal performance in hydraulic and pneumatic systems. Ideal for professionals and hobbyists alike, this plug is a must-have for any plumbing or mechanical project.