1/2/5PCS G1/2 Water Flow Sensor Fluid Flowmeter Switch Counter 1-30L/min Meter

G3/4 Hall Effect Liquid Water Flow Sensor Switch Meter Counter 1-30L/min YF-B5

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

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

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

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

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