The 12FJ-4MJ STR. REDUCE.LESS NUT fitting from Fittings Unlimited Inc is a straight reducer designed for efficient fluid flow management. Featuring a 12FJ connection on one end and a 4MJ connection on the other, this fitting allows for seamless transitions between different pipe sizes. Made from durable materials, it ensures long-lasting performance and resistance to pressure. This fitting is compliant with industry standards, providing reliability in various applications. Perfect for both industrial and residential use, it is an essential component for any plumbing system.