Apple Watch Screen Protector,Smart Watch Screen Protectors,Flexible Watch Screen Protector,Soft TPU Watch Protector Guangdong Magic Electronic Limited , https://www.magicmax.ccAir conditioners can move indoor heat to the outside or move the outdoors indoors, thus regulating the indoor temperature and creating a comfortable environment. The air conditioner can move to the heat, relying on the conversion of the gaseous state and the liquid state in the refrigerant state. It can be said that the refrigerant is the blood of the air conditioner. Refrigerants are generally freon and its derivatives.