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G1/2" Hall Liquid Water Flow Sensor Switch Flowmeter Meter 1-30L/min SEN-HZ21WI

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G3/4 Hall Effect Water Flow Sensor Switch Counter DC5V 1-60L/min Black FS300A

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Water Flow Sensor G1/2" Hall Flowmeter Switch 1-30L/min Liquid Flow Meter

G1/2 Hall Effect Liquid Water Flow Sensor Switch Flowmeter Meter 1.2-12L/min