Circuit control panel, wire controller, manifold, snow seed, electronic expansion valve, motor, compressor, liquid mirror, ball valve, etc. Hisense Fresh Air Air Conditioning follows the trend, adding sterilization system and filtration system inside the air conditioner, and its nano-silver ion coating can inhibit Staphylococcus aureus, Escherichia coli and other germs. According to the test, the antibacterial rate of Staphylococcus aureus is as high as 99.9%. The antibacterial rate of Escherichia coli is as high as 99.9%.