1L Mini Scuba Tank Refillable Oxygen Cylinder with Carrying Strap, 3 Type Inflation Reusable Diving Gear for Underwater Diving Breathe Training, 15-20 Minutes Keep Underwater

About this item Safe and Stable Its constant pressure air outlet device and high stability decompression system make the air pressure constant. The top pressure relief valve allows you to unload the pressure easily with a gentle press. Food-grade silicone bite mouth ensure that the air is fresh and odorless while its explosion-proof valve design and the lightweight valve head can make you dive more safely and easily. Good Airtightness Its waterproof rubber ring can maintain good airtightness and effectively prevent air leakage and water ingress. Fun to Dive This mini scuba tank has a capacity of 0.9qt and can keep you underwater for 15-20 minutes and is reusable, ideal for newbies to feel the fun of diving. 3 Types of Inflation You can use the high-pressure cylinder (not included) to inflate or use the scuba conversion head, or electric inflatable pump (not included) to inflate, making your diving sports preparation more convenient. Easy to Operate It is equipped with a master valve control switch, you can open the valve to keep the gas flowing when inflating and breathing, and close the valve to avoid air leakage when not in use. The 360° swivel joint allows you to adjust the orientation of the medium pressure tube at will to suit the diving position and prevent tangle damage. The high-quality zipper makes it easy to use as you pull. Application It is suitable for professional divers, fishermen, novice divers, amateur divers, firefighters, lifeguards, etc. as underwater emergency backup equipment or short-term diving equipment, vacation diving, river and sea emergency rescue, underwater exploration, boat cleaning, backup air source and other uses.