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The H2FLOW CONTROLS FV-H-R-15 FlowVis Retrofit is a flow meter retrofit top designed for 1.5" Hayward check valve bodies. It accurately measures flow in GPM, ensuring optimal water circulation. Enjoy easy installation and reliable performance. It can be installed horizontally, vertically, or upside-down.
This retrofit flow meter ensures optimal pool performance with accurate flow measurement and easy installation. NSF 50 certified with high accuracy.
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