Features:*High Quality Material: This mini diving oxygen tank is made of high quality 6061 aviation Aluminum material, which is more anti oxidation and anti-corrosion. *Underwater Experience: Mini diving oxygen tank has 1L capacity. You can stay up for 20-25 minutes underwater. (Using time varies from person to person.)*Wide field of seeing: The snorkeling mask in this diving suit has a 180 Degree ultra-wide panoramic viewing angle, allowing you to see a wider field of seeing.*Various Inflation modes: The one-way inflation valves of scuba-diving tank can connect the refills adapter to fill up. High-pressure air-cylinder inflation, electric air-pump, scuba-adapter can inflation.*Wear-resistent: The working pressure of diving oxygen tank is no more than 3000PSI/200bar/20Mpa. The surfaces with hard oxidation and spraying is resistant to seawater corrosion.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Material: Aluminum 6061-T6 Size: 85*402mmBottle capacity: 1 literBreathing time: 20-25 minutes (depending on lung capacity)Maximum pressure: 3000PSI/200BAR/20MPAWeight: 2.39KGSurfaces technology: hard oxidation Package List:1 set x Diving Oxygen Tankor 1x Airs Pump Cotton Filter Set(for Free)