The unique over-balanced diaphragm design has number of advantages over piston type first stages, especially when combined with Apeks Dry Sealed System, which is ideal for cold water diving or warm water diving. It offers outstanding gas flow, easy maintenance, simple adjustment of intermediate pressure and a sealed mechanism totally protected from all types of contamination and freezing.
This unit is extremely reliable in cold water and compact as it has no swivelling turrent -both features which makes this first stage popular amongst tech divers. It is a great choice for expanding into twinset or redundant system configurations.