This 0-25 LPM adjustable click style flow meter uses a male 1/ 8" NPT connection. To ensure safety, reliability, and durability, this flow meter is manufactured from aluminum and brass. This flowmeter can be set to OFF, 0.25, 0.5, 1, 2, 3, 4, 6, 8, 10, 15, or 25 LPM. All flow rate indicators are labeled in fractions for easy reading. Current inventory is anodized in dark green.