The 4" Conical Aluminum Female Coupler from SEALFAST is designed for secure connections in fluid transfer systems. Made from lightweight aluminum, this coupler offers excellent corrosion resistance and durability. Its 4" size allows for efficient flow rates, making it suitable for various industrial applications. The conical design ensures a tight fit with compatible fittings, providing a leak-free connection. Ideal for use in hydraulic and pneumatic systems, this coupler meets high standards of performance and reliability.