SMC AW20-N02B-2Z-A Filter/Regulator MSRP: Now: $36.40 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... AW20-N02B-2Z-A