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 35 Watt Replacement Bulb View Part Hanscom K Backup Camera (Monitor & Bracket) View Part Complete 4 1/2″ Door Grabber or Door Catch Set View Part ’19-Current Transit Front Grill Guard View Part