The SEALFAST D 400SSBSP is a 4-inch female coupler featuring a stainless steel BSPT design, ideal for fluid transfer applications requiring corrosion resistance. This coupler is constructed from high-quality stainless steel, ensuring longevity and reliability in various environments. Its 4-inch size allows for efficient flow rates, making it suitable for both commercial and industrial use. The BSPT threading ensures compatibility with standard fittings, providing a secure and leak-free connection. This coupler meets industry standards, making it a dependable choice for professionals.