The 4 Pipe Plug from Fittings Unlimited Inc is designed for reliable sealing in various piping systems. This durable plug is crafted from high-quality materials, ensuring longevity and resistance to corrosion. With a standard size of 4 inches, it fits seamlessly into compatible systems, providing a secure closure. Ideal for applications requiring pressure containment, this plug meets industry standards for performance and safety. Its robust design allows for easy installation and removal, making it a versatile choice for both professional and DIY projects.