Beginner-Friendly Kit: The 0.5L mini diving tank kit provides 5-10 minutes of continuous diving at depths of up to 98.43 ft / 30 m. Great for beginners or casual divers, its ideal for emergency rescue, backup air, and recreational diving. Three Inflation Options: Our scuba tank kit includes a manual high-pressure pump and supplement adapter for convenient inflation anywhere. You can also use an air compressor for quick refills. High Quality Construction: Built from aviation-grade aluminum, this portable scuba diving tank is pressure-resistant, corrosion-proof, and designed for long-term use. The food-grade silicone mouthpiece is crack-resistant, ensuring security during every dive. Max pressure: 20MPa. The inflation plug of release valve is 0.31 in / 8 mm. 180° Full View Mask: Dive with clarity! The anti-fog, leak-proof mask of our lung tank gives you a wide, unobstructed view while diving