Uniweld RMC100 Centurion series regulator has an "A" outlet connection and a 200 CGA (Compressed Gas Association) inlet. The economical, lightweight Centurion series regulators feature a reseatable safety blow off valve that will protect the diaphragm from damage time and time again without the need to replace the valve. Regulator is built with a rugged brass body and comes with 1 1/2" gauges and protective rubber gauge boots.
Warning: this product contains a chemical known to the State of California to cause cancer. P65Warnings.ca.gov