0.5L Mini Scuba Tank Portable Backup Air for Snorkeling and Training, Refillable Emergency Pony Bottle, 3000 PSI, Shallow Water Use, Ideal for Beginner Divers and Emergency Breathing

Compact 0.5L backup scuba tank with regulator, unit
✔️ 0.5L DOT aluminum tank with regulator, 3000 PSI, 18 ft (5.5 m)

This compact 0.5L backup air bottle is designed for shallow-water use, snorkeling, beginner diving, and emergency breathing. Its lightweight, portable profile makes it handy for boats, shorelines, and travel.

✅ 0.5L capacity for shallow-water air top-ups
✅ DOT-certified 6061 aluminum alloy construction for durability
✅ Built-in luminous pressure gauge for easy underwater checks
✅ Standard burst disk valve with O-rings for reliable sealing
✅ Includes tank, regulator, and accessories (inflator not included)

💡 What is a small backup scuba tank used for in shallow-water training and quick-air needs?

Used as a handy extra air source for short, shallow dives and emergency breathing. - Handy for quick air top-ups during shallow-water sessions - Supports beginners with a portable air source on boats or shorelines - Pairs with standard regulators for compatible setups - Durable DOT aluminum design resists corrosion in saltwater ✝️