Water Flow Sensor Dc3.5-24v Nylon Liquid Flowmeter Npn Hall Flow Sensor Water 1.75mpa 1/2" 3/4" 1"

Water Flow Sensor Dc3.5-24v Nylon Liquid Flowmeter Npn Hall Flow Sensor Water 1.75mpa 1/2" 3/4" 1"

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