I had one of these and it was actually pretty nice. This is what you need for your SCBA valve.https://www.ebay.com/itm/6000PSI-CGA347-Paintball-PCP-SCBA-Fill-Station-Charging-Adapter-With-24-Hose/302660811525?epid=10015847425&hash=item4677fd7b05:g:0z4AAOSwJTta8CVc&frcectupt=true