The SEALFAST 3" Female Coupler Self-Locking is designed for secure and efficient connections in fluid transfer applications. This coupler features a self-locking mechanism that ensures a tight seal, preventing leaks during operation. Made from high-quality materials, it is built to withstand the demands of heavy-duty use. This coupler is compatible with various hoses and fittings, making it a versatile choice for tank truck and industrial applications. Its robust construction meets industry standards, ensuring reliability and safety in your fluid management systems.