The A-FACE SL.#4 BLACKHEAD UNION with B-Nut from SSP Fittings Corp is a high-quality fitting designed for seamless connections in hydraulic systems. This union features a #4 size specification, ensuring compatibility with various hoses and fittings. Constructed from durable materials, it provides excellent resistance to wear and tear, making it suitable for high-pressure applications. The blackhead design enhances its aesthetic appeal while maintaining functionality. This fitting is compliant with industry standards, ensuring reliability and safety in all applications.