FlowVis has been revolutionizing the way flow is measured in pool and spa applications since its inception in 2012 by H2flow Controls' as our highly capable NSF 50 certified flow meter.
FlowVis with GPM scale for 1.5-inch, 2-inch, or 2.5" pipe includes check valve functionality, velocity scale and NSF 50 certification.
Ingenious in concept and flawless in operation, FlowVis® has unrivaled accuracy and greater installation flexibility making it easy to see why pool and spa professionals everywhere call FlowVis® their flow meter of choice.