SMC AC40B-N04-WZ-A F/R Combo Modular MSRP: Now: $82.55 Was: AC10B-A to AC40B-A, Air Filter and RegulatorSMC S new AC-A series of modular type F.R.L. unit is available in five sizes and is interchangeable with the existing modular AC line. The pressure drop... AC40B-N04-WZ-A