SMACO 1L Scuba Oxygen Diving Equipement Cylinder Air Tank Underwater Breathing Valve Set

Specification:Name: Diving Oxygen Cylinder SetBottle Material: Aviation AluminumColor: Green/Yellow/BlackBottle Size: 28.5x13cmBottle Capacity: 1LMax Pressure: 3000PSI/200BAR/20MPaUnderwater Breathing Time: about 15-20minFeatures:- Compact portable lightweight ,easy to carry.- Breathe underwater diving with total freedom.- Made of aviation aluminum material and meets manufacturing standards of diving equipment.-The breathing nozzle is made of food grade silicone, which is safe and odorless.-The pressure gauge has a luminous function, and the water is still clear at 80 meters. Made of stainless steel, it is waterproof, corrosion resistant, high hardness, and durable.Precautions for use:1. This product is suitable for recreational diving within 10m. Do not attempt to use it as an air supply in deep water.2. This product can be used as a backup air source for recreational diving within 30 meters.3. This product is suitable for waters above 10℃ Celsius.4. The recommended maximum rate of rise is 15m per minute (the last 6m requires 6m per minute).5. The maximum filling pressure of this product is 3000 PSI or 200bar,And can only fill the compressed air that the human body breathes.Gases with oxygen content greater than 40% cannot be used.6.Keep the product in a cool, dry place away from direct sunlight.Do not store in a car trunk or high temperature, or put it in fire.7. After filling the air, the pressure must be released first.8. When the gauge pointer reaches the red area, pleas