This refrigerant may only be used in new equipment specifically designed and identified by the EPA for R-290 refrigerant use, and may not be used as a conversion or "retrofit" refrigerant for ...

Meant for R-134a cars, it also has a leak sealer and additive than can help stop small leaks in hoses, gaskets and o-rings. It replaces not just the AC refrigerant lost, but the oil that can leak ...