?【Stable Oxygen Supply】This snorkeling equipment has two independent 0.5L oxygen cylinders can provide you with a stable supply of oxygen, thus ensuring your diving safety. ?【Efficient Filtration】This outdoor rescue cylinder tank unidirectional air nozzle can effectively filter harmful substances, so you can breathe pure air. ?【Safety Protection】 The built-in explosion-proof valve and luminous waterproof pressure gauge make its pressure value clearly visible at a depth of 80 meters underwater and will automatically release the pressure for explosion-proof, thus ensuring your safety in the process of use. ?【Easy to Carry】The compact structure of the mini scuba tank (13.86 inches high, 2.36 inches wide) makes it more comfortable to wear, thus not overburdening you while diving. The carry bag inside the package also help you carry it more conveniently anywhere you go. ?【Easy to Maintain】 The detachable design and mirror-treated smooth surface make it easy to clean, you just need to wipe it gently with a dry rag to make it look new.