This is a good all-round performer from a manufacturer that has earned itself great respect from cold-water divers across the globe.  
Product Details...

The XTX200 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 regulator also features a Reversible Venturi System (RVS). Changing the regulator to a left handed configuration is both quick and simple and can be performed by any APEKS Authorised Service Technician. The XTX200 regulator incorporates the new feature of the Diver Changeable Exhaust System (DCE). This system gives the diver the ability to change from a small exhaust to a large exhaust tee.  
Product Details...

Suitable for use with upto 100% oxygen. This system gives the diver the ability to change from a small exhaust tee to a large exhaust tee. This gives the user a choice of the wider exhaust tee for minimal bubble interference(essential for underwater photography) and the narrow exhaust tee for a smaller compact comfortable regulator (ideal for use as an octopus regulator). The 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. 
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The XTX50 Nitrox 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 Authorised Service Technician. The XTX50 regulator incorporates the new feature of Diver Changeable Exhausts system (DCE).  
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The XTX100 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 Authorised Service Technician. 
Product Details...

The XTX200 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 regulator also features a Reversible Venturi System (RVS). Changing the regulator to a left handed configuration is both quick and simple and can be performed by any APEKS Authorised Service Technician.  
Product Details...

The 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 Authorised Service Technician. The XTX40 regulator incorporates a new two-shot high strength composite front cover, improving the durability of the most vulnerable part of the demand valve. The new ergonomic Venturi lever of the XTX40 has been designed to reduce the amount of grit ingress.  
Product Details...

The XTX50 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 Authorised Service Technician. 
Product Details...