MAIN PAGE > REGULATORS > APEKS NITROX REGULATORS 0.00 € XTX40 NITROX NITROX... p. Price: 0 € XTX40 NITROX D.I.N DS4 The Apeks XTX40 DS4 Nitrox / Oxygen Regulator is designed specifically for use with gas mixtures containing greater than 40% oxygen, upto 100%... p. Price: 0 € XTX40 NITROX M26 DS4 Nitrox Ready up to 100% ... p. Price: 0 € FLIGHT NITROX DIN The Flight Nitrox Regulator from Apeks is available as DIN only in M26 thread... p. Price: 0 €