VEVOR Mini Split Air Conditioner, 12,000 BTU AC / 12,500 BTU Heat, 230V 19 SEER2 High Efficiency Energy Saving, Quiet Inverter System for 750 Sq.Ft Coverage Area, Easy to Maintain, for Home, Office
This issue has been discussed repeatedly—the refrigerant is present.
Just like domestic air conditioners, it's ready to use once installed.
If this response does not resolve your current issue, please contact us again for assistance.