SMC AW40-04C-A Filter/Regulator, Modular F.R.L. MSRP: Now: $90.00 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... AW40-04C-A