The Amico Oxygen Flowmeter FMO-25U-PB-D, 0-25 LPM Puritan Bennett, USA Color Code is dial style and has an anodized aluminum body. The flowmeter’s smallest increment 0 LPM. The labeling is USA color coded based on gas type. Flowmeter has an easy to read window for selected LPM. The Amico Oxygen Flowmeter FMO-25U-PB-D, 0-25 LPM Puritan Bennett, USA Color Code features a dial style body that is encased in anodized aluminum. The smallest dial increment on the flowmeter is 0 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:0-25 LPM Connection Type:Puritan Bennett PSI:50 PSI Flowmeter Options:Dial