Apeks Din Adapter – Chrome Finish This is the Chrome Finish version of the Apeks Din Adapters. The Apeks really did a nice thing all Apeks regulators use the same din adapter. This Unit fits all Apeks Regs. Divers can change there regs over to din very easily. All you need to do is remove the yoke nut and then screw in the din. You want to make sure everything is properly lubricated and that no o-rings get pinched.