Scubapro MK2+ / R195 Nitrox Regulators
The Scubapro MK2+ / R195 Nitrox Regulators are the bulletproof option to go for if you're looking for a reliable regulator set for your pony or stage tank.
The MK2+ is an incredibly reliable first stage and is the only downstream piston-style first stage with internal components specifically designed to resist freezing in cold waters. The basic R195 can be used with hose routing from both the left and right side and is easy to use and maintain.
For simplicity and compliance with the most stringent safety norms, you can put your trust in the Scubapro nitrox regulator system.
The first stage has 1 HP and 4 LP ports and the second stage has an adjustable VIVA switch on the side.