🏊【Portable Design】The ChikaDiv 1L Scuba Tank provides 15-20 minutes of air. The perfect size of the bottle with a diameter of 9CM is very suitable for carrying on the go. In addition, mini diving cylinders are also very suitable for underwater exploration, boat cleaning, emergency rescue, backup air sources, etc. 🏊【Excellent Workmanship】The ChikaDiv diving bottle is made of aviation aluminum, which is more durable, corrosion-resistant and high-temperature resistant. The design of the fluorescent pressure gauge allows you to accurately determine the remaining gas in the bottle even in a dark environment. The nozzle is made of food-grade silicone, which is healthy and safe. Explosion-proof valve design will automatically release pressure when overflowing to prevent the bottle from exploding.