CGA660 Valve – 1.125″ UNF 3000 PSI CGA660 Nitrous Oxide Valve Brass Material 1 1/8″ Thread Size 3000 PSI Safety CGA660 Valve - 1.125" UNF 3000 PSI quantity Add to cart Add to Quote SKU: CGA-66051-28.1.125 Category: Nitrous Oxide Valves Tag: CGA660 Nitrous Oxide Valves