The Rola-Chem 570351-V Vertical Mount Flowmeter is designed for precision and durability in residential and light commercial pool systems. With a flow range of 40–140 GPM (151–530 LPM), it fits 2" PVC and galvanized pipes and features a wide-chamber design that helps reduce mineral buildup and clogging. The precision acrylic body ensures clear, accurate readings, and the vertical-mount design offers space-saving installation and easy maintenance. Trusted by pool professionals, Rola-Chem flowmeters deliver reliable, long-lasting performance.