DIDEEP Mini Tank Inflation Device DIN Valve Scuba Adapter for HPA Scuba Fill Station,High Pressure Diving Cylinder Accessories

Quick Inflation Using It

You can refill smaller diving cylinders from a large one. However, please note that before refilling, ensure the large tank is fully pressurized. Otherwise, the cylinder cannot reach 20 megapascals of pressure. Additionally, the refilling principle relies on pressure equalization, and the refill time depends on the size of your cylinder.