This MSA 10034391 Universal Demand Flow Regulator RP can be used with Galaxy GX2 Systems, this MSA Calibration Regulator is ideal for use with Ammonia and Chlorine and for applications where calibrated gas flow is required, this regulator is great for pumped instruments and is designed to automatically turn off when not in use. Demand Flow Regulators sold Each. Calibration gas, detectors and docking stations sold seperately.
See TnA Safety, Webster, NY on MacRae's Blue Book