SMC AW40-N04C-2Z-A Filter/Regulator MSRP: Now: $92.90 Was: AW10-A to AW40-A, Filter Regulator, Metric, North American & EuropeanSMC S series AW-A is a combination filter/regulator, minimizing space and piping by integrating two units into one. The... AW40-N04C-2Z-A