The 1-1/4" 300# Black Malleable Iron Coupling from Service Metal Products is engineered for high-pressure piping applications. Constructed from durable black malleable iron, this coupling provides excellent strength and corrosion resistance. Rated for 300 psi, it is suitable for various fluids, including water, gas, and oil. The design allows for easy installation and secure connections between pipes, making it ideal for both residential and commercial plumbing projects. This coupling meets industry standards, ensuring reliability and performance in demanding environments.