HEAVY DUTY IN-LINE COMPRESSED AIR PRESSURE REGULATOR FOR AIR COMPRESSOR, 7 TO 215 PSI ADJUSTABLE, HIGH FLOW RATE, WALL BRACKET AND GAUGE INCLUDED (1" NPT, 180 CFM) - Amazon.com
Convert Bar to Psi - Full Chart and Easy Formula | ACM
Volkswagen Polo Tyre Pressure | Recommended PSI For Your Model - WhoCanFixMyCar