Omega EngineeringFlow Switches Power supplies for stepper drives, sensors, transducers, strain gages, and general purpose use. Linear regulated and switching supplies, adjustable voltages and fixed voltages.Compact Fan and Filter Fan Air Flow SwitchV4-SeriesEconomical Brass Flow SwitchesTrim to Size Paddle Type Flow SwitchThermal Dispersion Flow Switches for LiquidsThermal Dispersion Flow Switches for Use With GasesThermal Flow Switch3/4" Flow Switches for Threaded Plastic PipingFlow Switches for Threaded Plastic PipingNon-magnetic Industrial Flow Switches - Ideal for Rusty WaterIndustrial Flow Switches - From 2 to 15 Feet/secondLiquid Flow Transmitter and Switch with Visual IndicationHeavy Duty Paddle Flow SwitchV10-SeriesV6-SeriesFS-2 FLOW SWITCHTDFS2-SeriesFlow Switch With Compact Relay ControllerEconomical Air Flow Switch With High/Lo AlarmsSingle Sensor ControllerIn-Line Plastic Flow SwitchThermal Dispersion Flow SwitchesFlow/No Flow Single Sensor Controller With Strobe AlertFlow Switch Remote Controller