Looks fine but that ain't sidemount. That is a standard North Florida Cave Divers rig for a stage bottle... it's gonna hang down like a keel below your chest. That may be exactly what you want. Then OK.
As Jim said, a 40-inch hose is about standard for a decompression reg rigged the N. FL way.
Good luck.
As Jim said, a 40-inch hose is about standard for a decompression reg rigged the N. FL way.
Good luck.