The Amico Medical Air Flowmeter FMA-15U-DN-D, 0-15 LPM DISS Nut, USA Color Code features a dial style body that is encased in anodized aluminum. The smallest dial increment on the flowmeter is 0.5 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 Standard: USA Connection Type: DISS Nut PSI:50 PSI Flowmeter Options:Dial