Specification ColorsBlackSnorkeling Tube MaterialSilicone absOxygen Cylinder MaterialAviation AluminumFace Mask Material Frame Material PC Materials of the skirt and strap Silicone Materials of the lens Tempered glass lensDiving glasses Size17x9cm 6 69 x3 54 Swivel Regulator Rotation angle360°Diving tube adjustment angle50° NameDiving Oxygen Cylinder KitOxygen Cylinder Capacity2LOxygen Cylinder Length12 99 33 cmOxygen Cylinder Diameter4 33 11 cmOxygen Cylinder NET Weight2 786kgOxygen Cylinder Maximum pressure3000PSI 200BAR 20MPaMax dwell time underwater30 35minsOxygen CylinderCylinder portM18x1 5cmScuba Adapter pipe Length49cm 19 29 Scuba Adapter female thread8mm M10X1Scuba Adapter Inflated pressure≤3000 psi 200 bar 20MPaPressure gauge thread portM10 1Pressure gauge Hose materialPTPressure gauge tray materialAviation aluminum 6061 Conversion 1cm 0 3937 inch 1inch 2 54 cm Features 1 Snorkeling diving 2 in 1 design When diving with a snorkel tube you can turn off the cylinder valve to save oxygen 2 The diving tube and diving glasses have a quick release buckle design which can be quickly separated when needed 3 There is an adjustable angle 50° rotating head between Snorkel Tube and Pressure Relief Valve which is suitable for people with different faces and figures 4 The diving mask can bring you a great experience to capture every inspired high definition of underwater views The innovative designed tempered glass prevents cold hot and pressing providing t