The 8 Pipe Plug Square Socket Plug from Fittings Unlimited Inc is designed for reliable sealing in various piping applications. This durable plug features a square socket design, ensuring a secure fit and easy installation. Constructed from high-quality materials, it meets industry standards for performance and durability. With a size of 8 inches, this plug is ideal for use in plumbing, HVAC, and industrial systems. Its robust construction ensures it can withstand high pressure and temperature, making it suitable for a wide range of applications.