The Amico Dial Style Oxygen Flowmeter, FMO-25U-SH-D, 0-25 LPM, Schrader connection type, Amico Patient Care Corporation. USA Color Code features a dial style body that is encased in anodized aluminium. The smallest dial increment on the flowmeter is 0 LPM and the largest 25 LPM. The flowmeter has an easy to read window for selected LPM. All labeling is USA color coded based on gas type. Amico Flow Range: 0-15 LPM Connection Type: British Male PSI: 50 PSI Flowmeter Options: Dial Standard:USA Condition: New OEM Original Purchase Type: Outright Warranty: As Is Returnable: Yes