The PT Coupling 30400WSS FERR.4.000 is a stainless steel coupling with a 4.000-inch inner diameter, engineered for high-performance fluid transfer. Its robust stainless steel construction ensures exceptional durability and resistance to corrosion, making it suitable for a variety of applications. This coupling is designed to provide a secure and leak-free connection, meeting industry standards for safety and performance. Its dimensions are optimized for compatibility with standard fittings, making it a reliable choice for professionals in need of high-quality coupling solutions.