The 5MB Plug from Fittings Unlimited Inc is a reliable fitting designed for effective sealing in various systems. Made from durable materials, this plug ensures long-lasting performance and resistance to wear. With a size of 5MB, it is compatible with a range of fittings, making it a versatile choice for plumbing and HVAC applications. This product meets industry standards, ensuring compliance with safety regulations. Its user-friendly design allows for easy installation, making it suitable for both professionals and DIY enthusiasts.