The Liquid Controls M-30 meter is a high-quality flow meter designed for precise measurement of liquid flow rates. With a generous 4-inch port diameter, this mass flow meter can handle a wide range of flow rates from a minimum of 35 GPM to a maximum of 1325 L/min (350 GPM). Made in the United States by the reputable brand Liquid Controls, this meter ensures accurate measurement and control of liquid flow in various industrial applications. Additionally, the included air eliminator/strainer and register further enhance the functionality and reliability of this flow meter system.