1L Diving Scuba Empty Blue Air Tank Aluminum Oxygen Cylinder W/ Metal Secondary Breathing Valve

1、Pure metal machining secondary breathing valve with high precision, hard anode on the surface for wear-resistant and scratch resistant, and longer service life. 2、Increased 1L capacity is more convenient, easy for beginners to dive with it, underwater breathing time can reach 15-20 minutes. 3、Using food-grade silicone material, the mouthpiece is safe and no smell, ergonomic design, easy to breathe easily. 4、The breathing oxygen bottle is made of 6061 aviation aluminum material, and the surface adopts a plastic spraying process for high-pressure gas storage, which is durable and resistant to seawater corrosion. 5、Primary valve head 360 degree joint, 3 pumping modes, high-pressure pump inflation, scuba conversion head, and electric pump.