SMACO S300 Plus Mini Scuba Tank 0.5L Portable Mini Diving Tank Reusable Pony Bottle —DOT Certified Tank with 5-10 Minutes Backup Diving Air Tank Kit Oxygen Cylinder for Underwater Exploration Rescue - SEBiger, S300P-E-BLACK

• 🏊【BREATHE MORE SMOOTHLY 】: SMACO S300 Plus pony bottle adopts a constant pressure air outlet device. The high-pressure gas in the bottle is decompressed and output through the decompression chamber. The S300 plus breathes more smoothly than the S300. 🏊【10MINS UNDERWATER BREATHING】:SMACO mini diving tank has a capacity of 0.5L and can breathe underwater for 5-10 minutes. At the same time, the scuba tank has three-layer filtration device, which effectively prevents the entry of dust and impurities, making the inhaled gas cleaner. (Attention: Diving depth, temperature, and breathing rate will affect the use time of the scuba tank.) 🏊【BOARD THE PLANE】:After you disassemble the scuba tank, you can take it on the plane and go diving anywhere. It has safe depth limit of about 33ft. It can be used as a backup air source for deep diving within 100 ft. Mini diving cylinder is suitable for underwater exploration, boat cleaning, emergency rescue, backup air source, etc. 🏊【FOUR WAYS TO INFLATE】:✅The S300 Plus scuba tank has passed the DOT certification and can be inflated directly at the diving shop. ✅Use the 8mm SMACO refill adapter. The large diving tank leads to the small diving tank , the filling time is 4 seconds. ✅SMACO high pressure hand pump, the filling time is 25-30 minutes. ✅SMACO air compressor, the filling time is 11 minutes. Easily solve inflation problems.(The air pressure of the diving bottle cannot exceed 3000psi) 🏊【WHAT YOU WILL GET】:❤Perfect diving packages(include two 0.5L scuba tanks, a portable case,a diving mask, a high pressure hand pump, a refill adapter and two anti-lose ropes)❤24 hours services online.❤Lifetime Customer Support.