SMC AR40-04-RY-B Regulator, Modular F.R.L. MSRP: Now: $31.95 Was: regulator, modular f.r.l. regulator AR40-04-RY-B
SMC AR40-04-RY-A MSRP: Now: $30.40 Was: AR MASS PRO FA AR MASS PRO 1/2 MODULAR (PT) REGULATOR AR40-04-RY-A
SMC AR40-04BG-RY-B Regulator MSRP: Now: $49.20 Was: regulator, modular f.r.l. regulator AR40-04BG-RY-B
SMC AR40-04E-1RY-B Regulator, Modular F.R.L. MSRP: Now: $40.45 Was: Ar Mass Pro Fa Ar Mass Pro 1/2 Modular (Pt) Regulator AR40-04E-1RY-B