Mini Scuba Diving Equipment Kit Full Face Snorkel Mask 1L Air Oxygen Tank Set [Capacity] 1L large-capacity diving cylinder, constant pressure breathing is more stable and lasting [Pressure gauge] With luminous function, it is still clear at 30 meters underwater, stainless steel material is waterproof, corrosion-resistant, high hardness, and durable under pressure [Secondary pressure reducing valve] The surface is hard-oxidized and hardened, which is resistant to stamping, corrosion, and lasting stability [360° rotating head] 360° free rotation, suitable for any posture underwater, free diving with smooth breathing.
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