The 4Brass Inv.Flare Nut by Fittings Unlimited is a durable and reliable component designed for use in plumbing and gas applications. Made from high-quality brass, this flare nut ensures a secure connection and is resistant to corrosion. With a size of 4, it is compatible with standard fittings, making it versatile for various installations. This flare nut meets industry standards for safety and performance, providing peace of mind for professionals and DIY enthusiasts alike. Its robust construction guarantees longevity and reliability in demanding environments.