Regulator Showing 1–16 of 18 results Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Sale! ARO PR4031-300 Precision / Air Regulator | 3/8″ Port Size | Relieving | Standard Knob | 2 – 25 PSIG | 14 SCFM $225.02 Original price was: $225.02.$67.51Current price is: $67.51. Add to cart Sale! ARO R37111-120 Non-Relieving Regulator | 1000 Series | 1/8″ Port Size | Standard Knob Control | 45 SCFM $32.68 Original price was: $32.68.$9.80Current price is: $9.80. Add to cart Sale! ARO R37111-400 Relieving Regulator | 1000 Series | 1/8″ Port Size | Standard Knob Control | 45 SCFM $27.48 Original price was: $27.48.$8.24Current price is: $8.24. Add to cart Sale! ARO R37111-620 Non-Relieving Regulator | 1000 Series | 1/8″ Port Size | Standard Knob Control | 45 SCFM $44.56 Original price was: $44.56.$13.37Current price is: $13.37. Add to cart Sale! ARO R37121-120 Non-Relieving Regulator | 1000 Series | 1/4″ Port Size | Standard Knob Control | 59 SCFM $34.16 Original price was: $34.16.$10.25Current price is: $10.25. Add to cart Sale! ARO R37121-220 Non-Relieving Regulator | 1000 Series | 1/4″ Port Size | Standard Knob Control | 59 SCFM $34.16 Original price was: $34.16.$10.25Current price is: $10.25. Add to cart Sale! ARO R37221-400 Relieving Regulator | 1500 Series | 1/4″ Port Size | Standard Knob Control | 86 SCFM $48.27 Original price was: $48.27.$14.48Current price is: $14.48. Add to cart Sale! ARO R37231-620 Non-Relieving Regulator | 1500 Series | 3/8″ Port Size | Standard Knob Control | 113 SCFM $66.10 Original price was: $66.10.$19.83Current price is: $19.83. Add to cart Sale! ARO R37331-120 Non-Relieving Regulator | 2000 Series | 3/8″ Port Size | Standard Knob Control | 179 SCFM $71.29 Original price was: $71.29.$21.39Current price is: $21.39. Add to cart Sale! ARO R37331-300 Relieving Regulator | 2000 Series | 3/8″ Port Size | Standard Knob Control | 179 SCFM $63.87 Original price was: $63.87.$19.16Current price is: $19.16. Add to cart Sale! ARO R37331-400 Relieving Regulator | 2000 Series | 3/8″ Port Size | Standard Knob Control | 179 SCFM $66.84 Original price was: $66.84.$20.05Current price is: $20.05. Add to cart Sale! ARO R37341-120 Non-Relieving Regulator | 2000 Series | 1/2″ Port Size | Standard Knob Control | 210 SCFM $70.55 Original price was: $70.55.$21.17Current price is: $21.17. Add to cart Sale! ARO R37341-220 Non-Relieving Regulator | 2000 Series | 1/2″ Port Size | Standard Knob Control | 210 SCFM $75.01 Original price was: $75.01.$22.50Current price is: $22.50. Add to cart Sale! ARO R37341-620 Non-Relieving Regulator | 2000 Series | 1/2″ Port Size | Standard Knob Control | 210 SCFM $97.29 Original price was: $97.29.$29.19Current price is: $29.19. Add to cart Sale! ARO R37351-200 Relieving Regulator | 2000 Series | 3/4″ Port Size | Standard Knob Control | 210 SCFM $70.55 Original price was: $70.55.$21.17Current price is: $21.17. Add to cart Sale! ARO R37351-320 Non-Relieving Regulator | 2000 Series | 3/4″ Port Size | Standard Knob Control | 210 SCFM $75.75 Original price was: $75.75.$22.73Current price is: $22.73. Add to cart 1 2 →