Apeks xtx200 ampamp xtx40 octoapeks xtx200 scuba diving regulator can deal with anything you throw at it and the xtx40 octopus will not let you downr free regulator bagthe apek xtx regulator range is nitrox compatable up to 40all packages come with hosesr one of our top of the range quality regulators the xtx200 is the definitive blend of style quality and high performance