SMC PF2W520-N04-2 Digital Flow Switch, Flow Rate: 2 to 16 lpm, 1/2" NPT

SMC PF3W720-F04-E-M / DIGITAL WATER FLOW SWITCH / 2 ~16L / MIN 1/2" F PORTS

Versatile Brass Water Flow Switch with Immediate Activation, 1-30L/min

SMC PF2A311-A Digital Flow Switch FNOB

SMC PF2A703H-10-68-M Digital Flow Switch FNIP

Smc Pf2w540-04-2 Digital Flow Remote Sensor Flow Switch

SMC PFW704-03-27N Digital Flow Switch USIP

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