The P T Coupling PL40-AB is an aluminum coupling featuring a brass nut, designed for secure and reliable connections. With a size of 4 inches, this coupling is perfect for various industrial applications. The combination of aluminum and brass provides excellent corrosion resistance and durability, ensuring a long service life. This coupling meets industry standards, making it suitable for high-pressure applications. Its lightweight design allows for easy handling and installation, making it a preferred choice for professionals in the field.