4L Capacity: The 4L portable diving has a large capacity and increases snorkeling time, allowing you to enjoy the underwater world.
Inflation Method: Inflate with high pressure pump, inflate with electric air pump, inflate with diving adapter.
Wide Applications: 4L diving is widely used in field diving, tourism, seaside play, water play, swimming, etc.
of Application: Not only suitable for beginners' diving practice and leisure diving, but also as a backup air source for professional divers.
Aviation Aluminum Material: The oxygen cylinder is made of aviation aluminum material, and the is sprayed with plastic technology. It has high pressure gas storage and is not easily corroded by seawater.