DeDePu Copper Valve 4L Diving Oxygen tank Equipment with Snorkeling Mask and Backpack

Depth range: 5-15 meters (optimal applicable depth).
Time estimation: Under calm breathing conditions (approximately 15-20 liters/minute gas consumption), a 4L gas cylinder (800 liters of air) can support approximately 15-30 minutes of exploration time.
Typical uses: underwater photography, coral reef observation, short-term investigation of small sunken ships or rock areas.

Product Detail

Leisure diving: suitable for short duration (15-30 minutes) shallow water diving (5-15 meters depth).

Technical diving backup: used as a pressure reducing cylinder or emergency backup gas source to supplement the main gas cylinder.

Underwater homework/photography: balance portability and battery life, suitable for medium task requirements.

Dual bottle configuration: Some divers use dual 4L bottles to enhance flexibility.

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