1/2" 3/4" 1" 1-1/2" 1-1/4" 2" Water Flow Sensor Hall Flow Sensor Flow Meter 1.75 MPa Water Flow Sensor Switch DC 3.5-24V

1/2" 3/4" 1" 1-1/2" 1-1/4" 2" Water Flow Sensor Hall Flow Sensor Flow Meter 1.75 MPa Water Flow Sensor Switch DC 3.5-24V

Aliexpress UK