The 2"-4" OP Nut for 200 Series DI is designed for use with 200 Series cast iron fittings. This durable nut is crafted from high-quality materials to ensure longevity and reliability in various applications. It meets industry standards for performance and compatibility, making it an essential component for plumbing systems. The nut's dimensions are specifically tailored to fit 2" to 4" pipes, ensuring a secure and leak-free connection. Ideal for both residential and commercial plumbing projects, this OP nut is a trusted choice for professionals.