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 Whelen H35DSN12 35W Dual Filament Halogen Bulb View Part Complete 4 1/2″ Door Grabber or Door Catch Set View Part Zico Ziamatic QRD2 Quick Release Strapless O2 Cylinder Bracket View Part 5/8″ Water Pump View Part