The 4MOFS-4MOFS BKHD W/LN STR fitting from Fittings Unlimited Inc is a reliable component designed for seamless fluid transfer. With a size of 4, this fitting is perfect for various applications, ensuring compatibility with multiple systems. The BKHD design enhances durability, while the included LN STR feature provides added strength and stability. This fitting meets industry standards for quality and safety, making it a trusted choice for both professional and DIY projects. Its robust construction ensures long-lasting performance under pressure.