4500 psi regulator that comes with a 3k and 7.5k burst disk. The regulator is light weight and easily re-buildable with a high air flow rate. Can fit most of your tanks with threads 5/8"-18UNF.Output threads size G1/2-14. It is most economical high performance tank regulator.
Output pressure with 2200 psi is also available,welcome to consult.