Home / Products / O2 Western Regulator SKU: 692 Categories: Medical Equipment, Uncategorized Tag: Ambulance Parts Description Description 50 PSI, M1-540-P – Oxygen regulator w/ gauge Related products Grill Siren View Part Hot Water Solenoid View Part 35 Watt Replacement Bulb View Part Whelen 50W Clear Halogen Bulb H50SN12 View Part