The SEALFAST 3" x 4" Spool Adapter made from 316 stainless steel is engineered for high-performance fluid transfer. This adapter features a 3-inch inlet and a 4-inch outlet, making it versatile for various piping configurations. The 316 SS construction provides superior corrosion resistance, making it ideal for harsh environments. This spool adapter meets stringent industry standards, ensuring reliability and safety in operation. Its robust design guarantees a long service life, while the precision fit minimizes leaks. Perfect for use in chemical processing, marine, and food applications.