The Amico Medical Air Y-Block Flowmeter, S-YBFMA15UF2, 0-15 LPM, 1/8" FNPT connection type, Amico Patient Care Corporation. The smallest increment on the flowmeter is 0 LPM and the largest 15 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: 1/8" FNPT Standard:USA Condition: New OEM Original Purchase Type: Outright Warranty: As Is Returnable: Yes