Apeks XTX40/DS4 RegulatorThe XTX40 regulator can be converted from a right handed hose configuration (as supplied from the APEKS factory in the standard) to a left handed one. This feature is known as the Reversible Venturi System (RVS). Changing the regulator to a left handed configuration is both quick and simple and can be performed by any APEKS Authorized Service Technician. The XTX40 regulator incorporates the new feature of Diver Changeable Exhausts system (DCE). This