Specification: Item Type: 1L Portable Diving Oxygen Tank Material: Aviation Aluminum 6061+Rubber Hose+Food Grade Silicone Mouthpiece Oxygen Cylinder Height: Approx. 28cm / 11.0in Oxygen Cylinder Diameter: Approx. 9cm / 3.5in Hose Length: Approx. 65cm / 26.0in Handbag Size: 67x32x10cm / 26.3x12.6x3.9in Product Weight: Approx. 6800g / 239.9oz Thread Size of the First-stage Pressure Reducing Valve: M18x1.5, equipped with a 360-degree rotating head Oxygen Cylinder Specifications: 1L Air Capacity: 200L (compressed air) Inflation Safety Pressure: 3000PSI/200BAR/20MPA Breathing Frequency: About 132 breaths for sleep Available Time: About 20 minutes (depending on personal vital capacity and personal diving skills) Applicable People: Professional diving (alternative gas source); amateur diving enthusiasts; lifeguards and firefighters. Carrying Method: Just disassemble the bottle body and pressure reducing valve after depressurization, and then you can take it on the plane. Package List: 1 x Pressure Reducing Valve + Hose + Respirator Kit 1 x 1L Oxygen Tank 1 x Oxygen Tank Holder Bag 1 x Diving Goggles 1 x Vulnerable Parts Kit (9pcs) 1 x Multi-Language Manual 1 x Tool Wrench 1 x High Pressure Pump 1 x Inflator Air Pipe Nozzle 1 x Accessory Kit of Vulnerable Parts for Inflator Installation (18pcs) 1 x Inflator Spare Parts Package (25pcs) 1 x Inflator Installation Manual 1 x Handbag