Dustproof design Effectively prevents dust from accumulating in your air conditioner, helping maintain performance and contributing to a cleaner indoor environment. Easy installation Thoughtfully designed for quick and hassle installation, enabling you to keep your air conditioner clean with minimal effort. Durable materials Constructed from sturdy materials, providing a reliable, longlasting accessory for your air conditioning system. Four size options Available in four sizes to fit your specific air conditioner model. Use scenarios Home environment: helps reduce circulating dust in living spaces, supporting cleaner air after seasonal or ongoing dust exposure. Office or small business setting: keeps window or wallmounted AC units cleaner with less maintenance effort. Dustprone or renovation areas: ideal for temporary use in workshops, garages, or during home renovations where dust levels are higher.