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

E18-D50NK / D80NK Infrared Photoelectric Obstacle Avoidance Sensor Shield Switch

G3/4 Hall Effect Liquid Water Flow Sensor Switch DC 5V 1-30L/min YF-B6

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

G1/2" Hall Effect Liquid Flow Sensor Switches Meter 1-30L/min SEN-CL21W

G1/2" Hall Effect Liquid Water Flow Sensor Switch Meter 1-30L/min SEN-CL21W