The 12FJ-4MFO STR.REDUCE & EXPANDE fitting from Fittings Unlimited Inc is engineered for efficient fluid transfer in various applications. This fitting features a reduction design that allows for seamless transitions between different pipe sizes. Constructed from high-quality materials, it ensures reliability and performance under pressure. With a size specification of 12, it is suitable for a range of systems, adhering to ISO and ANSI standards for safety and compliance. Its user-friendly design facilitates quick installation, making it a preferred choice for professionals in the field.