This six-inch King flowmeter is a reliable and efficient choice for measuring flow rates in various applications. Its 1/2 inch port diameter and acrylic block style design ensure accurate readings and long-lasting durability. This flowmeter is ideal for use in pumps and plumbing systems, as well as in a range of industrial settings. With a maximum flow rate of 5 GPM, it's perfect for handling high-volume flows. The brand name King is synonymous with quality and reliability in the industry.