The 3Brass Inv. Flare Plug Str. from Fittings Unlimited Inc is a high-quality brass plug designed for secure sealing in plumbing and gas applications. This 3-inch flare plug ensures a tight fit with various tubing systems. Constructed from durable brass, it provides excellent resistance to corrosion and wear. The design meets industry standards, making it suitable for both residential and commercial installations. Its straightforward installation process and reliable sealing capabilities make it a preferred choice for professionals seeking quality fittings.