Regulator Showing 17–18 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 R37561-100 Relieving Regulator | Super-Duty Series | 1″ Port Size | No Gauge | 0 – 125 PSIG | 500 SCFM $156.70 Original price was: $156.70.$47.01Current price is: $47.01. Add to cart Sale! ARO R37581-100 Relieving Regulator | Super-Duty Series | 1-1/2″ Port Size | No Gauge | 0 – 125 PSIG | 1200 SCFM $296.32 Original price was: $296.32.$88.90Current price is: $88.90. Add to cart ← 1 2