Home Products Cylinder Regulators Air MRI-540-14 Description Non-Ferrous 0-15 LPM, Diaphragm Style "H" Cylinder Regulator, 540 CGA Nut, Oxygen Our Price: $166.45 - + Prices Subject to Change without Notice Special pricing and quantity discounts available. Call 888-495-1300 for savings! Add to cart Email a friend Tweet