Cart CONTINUE SHOPPING Proceed to Checkout BUILD ANOTHER HOSE ITEM QUANTITY PRICE TOTAL Remove Western Enterprises OPA-520 O2 Regulator SKU: 06110 in stock Item Price: $115.85 - + Subtotal: $231.70 Western Enterprises OPA-520 O2 Regulator SKU: 06110 in stock - + $115.85 $231.70 Update cart BUILD ANOTHER HOSE Order Summary ADD PROMO CODE Apply Cart totals Subtotal $231.70 Shipping Calculate shipping Country / region: Select a country / region… United States (US) State / County: Select an option… AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict Of ColumbiaFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyomingArmed Forces (AA)Armed Forces (AE)Armed Forces (AP) City: Postcode / ZIP: Update Tax $0.00 Total $231.70 Proceed to CheckOut