M1-540-15FM Western Single Stage Flowmeter Style Regulator. The M1-540-15FM is a Preset Oxygen Regulator with flowmeter attachment and a CGA-540 nut with nipple inlet (yoke) and outlet connection. The flow range is between 1/2 and 15 liters per minute and has a 2" inlet pressure gauge with a range of 0-4000 PSIG and a maximum inlet pressure of 3,000 PSI. TheﾠM1-540-15FM is made of brass and chrome plated composites, durable polycarbonate inner and outer tubings, and comes with a 6 year manufacturer warranty.
