This regulator (as with all Apeks Nitrox regulators) is suitable for use up to 100% O2. All Nitrox Apeks regulators are specially colour co-ordinated as per the illustrations shown here. The XTX40 Nitrox is the entry level Apeks Nitrox regulator. It is suitable for both warm and cold waters, features a balanced 1st and 2nd stage for easy breathing, and incorporates a venturi control. For in-depth features please refer to the details of the standard version of the XTX40.
