SMC AR40-N03-1Z-A Regulator, Modular F.R.L. MSRP: Now: $30.40 Was: AR10-A to AR40-A, Modular Style Regulator, Metric, North American & EuropeanAir Regulator Series AR-A have been updated to the new urban white base color for a clean modern look. The pressure... AR40-N03-1Z-A