SMC D-A90 Auto Switch Sensor for Pneumatic Cylinders

SMC D-F59SDPC Auto Switch Sensor for Pneumatic Cylinders

SMC D-A72L Auto Switch Sensor for Pneumatic Cylinders

SMC D-F5PSAPC Auto Switch Sensor for Pneumatic Cylinders

G&W Automatic Pressure Control for Water Pump 110V or 220V (works on both)

Keyence AP-C31KP Negative Pressure Switch, PNP Output, 0 to -29.9In/Hg, 10-24VDC

Keyence AP-C33KP Digital Pressure Sensor Switch 0-145psi, 12-24VDC, PNP 1/8" NPT

Keyence AP-C33KP Main Unit, Positive-pressure Type, 1 Mpa, PNP FNOB