The PT Coupling 30322PMSS is a ferrule coupling with a 3.688-inch inner diameter, engineered for optimal fluid transfer. Made from high-grade stainless steel, this coupling offers excellent corrosion resistance and durability. Its design meets industry standards, ensuring a secure connection in various applications. The 3.688 ID allows for compatibility with a wide range of hoses, making it versatile for different setups. Ideal for industrial use, this coupling provides reliability and performance in demanding environments.