Scubapro MK11/R395 Regulator SCUBA Equipment "octopuses live" Questions

my older air2 failed, the interior parts corroded my air2 failed, and basically the interior parts corroded. What does it cost to rebuild one. Is it cheaper to just buy a new dual air or Octopus. I ...

Hey guys, im confused... i want to buy my new diving gear and i have come to a conclusion between two packages... these are : Scubapro : 1st stage din/int Mk17/395 reg + Oct R295 + seac sub BCD (First