Gems Sensors FS200 3 GPM Flow Switch Industrial Liquid Sensor

2) Blue White Flow Meter F-550 F-500 F-55200L GPM LPM Water Rotameter Industrial

Proteus, 0BH4000, OBH4000, Bracket Adapter 510019 DSM Water Flow Switch 160976-1

Proteus Industries fluid flow switch

Gems Sensors Fs-380/ 181130/ 3/8" Liquid Flow Switch/ 0.15 Gpm/ New In Box

Proteus Industries Fluid Flow Switch Model: 0201C24

Proteus Industries 0100CSP Flow Meter Switch

Proteus Industries Fluid Flow Sensor PN: 350B