TDS Gull Z Black Second Stage Reversible for Scuba Diving Regulator: The TDS Gull Z Black is a lighter and improved version of its successful predecessor Gull Tek second stage, with an improved lid and a heat exchanger that improves the performance and performance in cold water.

TDS Proteus Scuba Diving Second Stage: The TDS Proteus second stage is a compensated second stage, with inspiratory effort regulator, venturi control to prevent continuous flow and a chrome ring.

TDS Oceanus Scuba Diving Second Stage:  The TDS Oceanus second stage is a compensated scuba diving regulator second stage, features venturi control to prevent continuous flow and is entirely made of durable thermoplastic polymer.  

Scubapro A700 Scuba diving second stage for regulator: Integrating air-balanced valve technology, the A700 brings you extraordinary breathing performance in a striking, precision-handcrafted, full-metal package. Whatever your dive destination, the SCUBAPRO A700 lets you breathe effortlessly and naturally underwater for a lifetime of exceptional dive experiences.

Scubapro C370 Scuba diving second stage for regulator: The C370 incorporates the best features of its predecessor, plus an offset valve has been added to its design. Its new discharge duct, based on the design of the S620 Ti, helps reduce breathing effort.

The R195 is a new design based on the heritage of the classic R190 second stage, re-engineered with modern features and materials. The R195 combines a classic downstream valve with a large diaphragm and classic purge button. Its simple and robust construction offers the utmost in reliability and makes the R195 the ideal second stage for new divers and a perfect choice for deco tanks thanks to its reversible hose attachment. For simplicity and top reliability, the R195 Nitrox has been developed in compliance with the most stringent safety norms. All Nitrox certified SCUBAPRO regulators are suitable for use with air mixes up to 100% oxygen.

Highly Recommended Primary Regulator. The Apeks XTX50 Second Stage is fully diver adjustable pneumatically balanced 2nd stage with venturi and breathing resistance control. Heat exchanger - suitable for both warm and cold waters

Apeks Nitrox regulators are suitable for use with up to 100% O2 and are colour-coded for easy identification.Although the XTX40 is a mid-range Apeks regulator, it is still classed as a high performance regulator in independent reviews. The XTX40 comes with all the features of our highly successful XTX50 with the exception of diver adjustable breathing resistance control.

The XTX50 Octopus is our top-of-the-lin0e Octopus in terms of features and performance. It provides the same features and performance as the XTX50 second stage and includes left / right hand reversibility. It comes with a high visibility yellow front cover and a 36” yellow hose. Suitable for cold water use (below 10 C / 50 F).

The simple Dual regulator is lightweight (183g) offering high air flow and an easy-to-use oversized purge button

Although the XTX40 is a mid-range Apeks regulator, it is still classed as a high performance regulator in independent reviews. The XTX40 comes with all the features of our highly successful XTX50 with the exception of diver adjustable breathing resistance control.