*we have multiple units in similar condition for this listing. The Donut Abrasive Metering Valve NECO SB-5 is a specialized valve designed for controlling the flow of abrasive materials in various industrial applications. This valve, manufactured by NECO, ensures accurate and efficient metering of the abrasive material to maintain a consistent and controlled process. With its innovative design and durable construction, the Donut Abrasive Metering Valve NECO SB-5 is an essential component for ensuring high-quality results in industries that rely on precise material metering.