G1/2 Hall Effect Liquid Water Flow Sensor Switch Counter 1-25L/min Black

G1/2 Hall Effect Liquid Water Flow Sensor Switch DC 5V 1-30L/min Clear YF-S201C

G1/4 Hall Effect Liquid Water Flow Sensor Switch Counter DC5V 0.3-6L/min YF-S302

G1/4" Hall Effect Water Flow Sensor Switch Flowmeter Fluid DC5V 0.2-2.5L/min

G3/4 Hall Effect Liquid Water Flow Sensor Switch Meter Counter 1-30L/min YF-B6

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/Min4316

G1/2 Hall Effect Water Flow Sensor Switch Counter DC5V 1-30L/min YF-S201 4 Wire