Efficient Insulation: This attic fan cover is designed to provide great insulation, helping to maintain the temperature in your home by preventing heat loss during the winter and keeping cool air inside during the summerSturdy Construction: Made from quality aluminum film, this shutter seal cover is built to last, offering long term protection and performance for your attic fanVersatile Compatibility: Suitable for various types of attic fans, including door and ceiling fans, ensuring a snug fit that enhances energy efficiency throughout your homeEasy Installation: Comes with a 5 meter sticky strip that allows for quick and hassle free installation, ensuring a security seal around your attic fan without the need for additional tools or hardwareEnergy Saving Solution: By effectively sealing off your attic fan when not in use, this cover helps reduce energy costs by minimizing drafts and improving overall home insulation Specification: Material: Aluminum Film Size Chart: 129cmx129cm or 50.79inchx50.79inch Package Includes: 1 Attic Fan Cover5 Meter Sticky Strip Note: Please allow slightly errors 1-2cm differences due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.