The environment that an RK3 HD is used in will tend to dictate the size of fin that you need

Specifically designed for use with the Apeks EXOTEC BCD

The Ocea Octopus provides the same features and performance as the Ocea 2nd stage and is the perfect partner for the Ocea regulator

Providing outstanding maneuverability in confined spaces and overhead environments

Experience a warmer dive with reduced flushing and water ingress

tek3 1st stage left hand dive regulator DiveSpools The environment that an RK3Apeks has developed unique first stages specifically for use on a twinset. The benefits of this system are that there is a minimised risk of accidental snagging, no hose kinking and easier access to the manifold valves. Each first stage has three medium pressure ports and one high pressure port. They are over balanced, cold water compatible and extremely robust. TEK3 looks great too! Not only is the TEK3 suitable for twinset use but it is equally