The 1431D-0202, manufactured by OPW ENGINEERED SYSTEMS, is a 2-inch bronze Visi-Flo sight flow indicator with a maximum pressure rating of 200 PSI. This sight flow indicator allows for visual monitoring of fluid flow, ensuring efficient and accurate operation of fluid systems. With its durable bronze construction and compact design, this flow indicator is suitable for a wide range of applications, from industrial processes to plumbing systems.