GASCO’s 74 series Dial-A-Flow" regulator is designed to be used with 34, 58, 74, and 116 liter aluminum cylinders as well as 103 liter steel cylinders.  74 series Dial-A Flow regulators are constructed of nickel plated brass and offer a "push button" On/Off valve, 1200 psi pressure gauge, and nine (9) selectable flow rate increments (0.3, 0.5, 0.7, 0.9, 1.0, 1.5, 2.0, 2.5, & 3.0 LPM). 

NOTICE:

GASCO's 74 series Dial-A-Flow regulators are not designed for use with highly reactive calibration gas mixtures such as chlorine, hydrogen chloride, ammonia, etc..  GASCO's 70-SS stainless steel series regulators are better suited for such applications.