The 500 series single-stage, piston-style regulators are designed to delivery a preset flow of non-reactive and low level reactive (less than 100 PPM) gas mixtures from 29-103 liter non-refillable cylinders having a 5/8″ – 18 UNF (C-10) inlet connection

Each regulator comes with a cylinder pressure gauge

Maximum inlet pressure:  1000 PSIG
Inlet fitting:  5/8″ – 18 UNF (C-10)
Outlet fitting:  3/16″ hose barb
Temperature operating range:  0-140 degrees F
Available in stainless steel for chlorine mixtures (0.5 and 1.0 LPM only)