For sale is a Victor Model No.SR-253-D Gas Regulator Valve. Valve body labeled "Gas Service: Carbon Dioxide / Max. Inlet 3,000 PSIG." Unit Serial No.FH11289. (1) 4,000 PSI reading gauge, (1) 200 PSI reading gauge. Type CGA320 input connector. This is a used regulator that appears to be in very good condition.