The 4 Pipe Plug Solid Plug from Fittings Unlimited Inc is a reliable solution for sealing pipe ends. With a 4mm diameter, this solid plug is made from durable materials to withstand high pressure and temperature. Its design guarantees a secure fit, preventing leaks in plumbing and industrial applications. This plug adheres to ANSI standards, making it suitable for both commercial and residential use. Ideal for water, gas, and oil systems, it offers a long-lasting closure solution for various piping needs.