Honeywell MLH500PSB09C Honeywell All Metal Pressure Sensors, MLH Series, Pressure Range 0 PSI to 500 PSI, Units in PSI, Measurement Sealed Gage (psi)4, Electrical Termination Delphi Metri-Pack 150, Pressure Connector 1/4 in SAE Female Schrader (7/16-20 UNF-2B Internal Thread),