1.[Windproof AC Blocker]: Say goodbye to wind and noise from your AC unit with these side panels.They are made of upgraded technology and better insulation that make them durables and not easily damaged. 2.[Save Your Energy]: These AC unit side panels save you energy and lower your heating and cooling costs.They seals the gaps between the AC unit and the window frame, suitable for winter and summer. 3.[Resistant To Dust]: These AC unit side panels prevent dust from building up the sides of your window, keeping it clean and neat.They also block the harsh light that shines into your room, making it cozy and comfortable. 4.[Wide Application]: These AC unit side panels have good insulation to keep the heat out. They also prevent pollen from getting into your home, making it more cozy and clean.With a simple design, these panels match any style.