1. Simple installation processThis product does not require special tools for installation. Simply attach the metal bracket to your air vent and secure it with screws for a firm fixation. It is designed for easy disassembly and cleaning, with waterproof and heatinsulating cotton to prevent condensation. Each package contains 4 windshields. 2. Energy efficiencyOur air deflectors are designed to direct airflow to the most beneficial areas in your home and ensure more efficient and even distribution of cold or heat. This innovative design helps to significantly reduce energy consumption. 3. Versatile airflow redirectionSpecifically designed for ceiling air vents, this wind deflector allows you to redirect airflow away from direct paths to prevent uncomfortable direct air conditioning drafts and protect furniture from prolonged exposure to vents. 4. Adjustable airflow management The angle of the air conditioning guide vane can be ly adjusted, allowing you to direct the wind upward or downward as needed. This feature enables the redirection of airflow in different seasons for optimal comfort.