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1-60L/Min DC 5-24V Hall Water Flow Sensor Counter Meter FS300A J6S22296

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DN25 FS400A G1inch Water Sensor Hall Flowmeter Meter Counter 2-60L/Min1665

1/4" Hall Effect Liquid Water Flow Sensor Switch Counter DC5V 0.3-6L/min YF-S401

DN25 FS400A G1inch Water Sensor Hall Flowmeter Meter Counter 2-60L/Min2664