The Apeks XTX40 DS4 Nitrox regulator combines the robust and reliable Apeks DS4 Nitrox first stage with a light weight and compact XTX40 second stage, both of which are suitable for use with 100% oxygen. The XTX40 DS4 regulator represents excellent value for those divers looking for an extremely reliable regulator that needs to be compatible with very high concentrations of oxygen. The XTX40 second stage comes with the ability for the diver to change the exhaust tee's, the venturi system can be reversed as can the side of the regulator the hose enters so the perfect regulator setup can be found. The Apeks XTX40 DS4 Nitrox Regulator is ready for use with upto 100% oxygen straight out of the box.
More information about Apeks Nitrox Regulators can be found here.
DS4 Nitrox First Stage
XTX40 Nitrox Second Stage