Specifications NameDiving Oxygen CylinderMaterialAviation AluminumColorYellow BlackCapacity2LLength12 99inch 33 cmDiameter4 33inch 11 cmNET Weight2 786kgMaximum pressure3000PSI 200BAR 20MPaMax dwell time underwater30 35minsCylinder portM18x1 5cmApplicationRecreational diving Training diving spare Cylinder diving airFeatures 1 The 2L oxygen cylinder allows the diver to stay 1 10 meters underwater for 30 35 minutes depending on individual lung capacity and depth of diving perfect for beginners 2 Supports 3 types of inflation Manual high pressure Inflatable pump aqualung switch electric inflator Inflator pump is not included 3 Uses 6061T6 aluminum material and meets the manufacturing standards for diving equipment 4 Compact portable lightweight easy to carry 5 Breathe underwater divingwith total freedom 6 Made ofaviation aluminum material and meets manufacturing standards of diving equipment 7 It is waterproof corrosion resistant high hardness and durable Need to be used with Primary Pressure Reducing Valve and other accessories can not be used alone This product is suitable for dideep s x 4000 series x 5000 series or other M18 1 5CM threaded valve port products Package Included 1 x Scuba Diving CylinderPreventive MeasureWarning1 This product is suitable for recreational diving within 10 meters Do not try to use it as air supply in deeper waters 2 This product can be used as a backup air source for recreational diving up to 30 meters deep Before u