CHIKADIV C300-A1 Mini Scuba Tank Diving Gear for Diver 0.5L Diving Spare Air Tank Diving Cylinder with 5-10 Minutes Backup Diving Equipment Kit for Underwater - Black

• The entire body made of aerospace aluminum better resists internal corrosion and stands up well to damage. This air tank is a mini, very strong container that holds large volumes of compressed air
• Compared with traditional oxygen cylinders, they are bulky and require a high level of professionalism. The mini oxygen tanks are small in size and easy to carry
• Suitable for professional diving backup air sources, fishermen, novice diving, amateur diving, lifeguards, etc.
• This product is easy to carry and is an independent respiratory system
• Surface hard oxidation and spraying, seawater corrosion resistance for more than 500 hours

Specifications:

• Capacity: 0.5L
• Weight: 1KG
• Length: 36.3CM
• Diameter: 2.25"LB/5.71CM
• Air capacity: 100L (compressed air)
• Maximum pressure: 3000PSI/200BAR/2OMPA
• Number of breaths: about 170 times (calculated by 0.5L per breath)
• Usable time: 5 to 10 minutes (about 170 breaths for surface breathing, about 6 minutes for underwater use at 7 meters)
• Different water layers use time: 1~3 meters, about 8~10 minutes; 3~7 meters, about 6~8 minutes; 7~10 meters, about 5~6 minutes