HP Regulator, CGA-580, Inlet 0 to 150 PSI, Relief Valve, Use with: Inert Gas Ar, He, N2, Gentec, Mfr#: HP152-FHK-C580-01-NR$271.99+
HP Regulator, CGA-326, Inlet 0 to 15 PSI, Needle Valve, Relief Valve, Use with: Nitrous Oxide, Gentec, Mfr#: HP152-FMK-C326-01-NR$297.99+
HP Regulator, CGA-346 , Inlet 0 to 250 PSI, Needle Valve, Relief Valve, Use with: Air, Gentec, Mfr#: HP152T-DGK-C346-01-NR$283.99+