Effective dust control This dust screen helps maintain clean airflow by preventing dust buildup on your air conditioner. Hassle installation Designed for quick and simple installation, allowing you to keep your unit cleaner with minimal effort. Durable materials Constructed from sturdy, long lasting materials that support reliable performance in maintaining your air conditioning system. Four size options Four different sizes are available to fit a wide range of models and configurations. Use scenarios Window or portable air conditioners in dusty environments: install the screen to block dust from entering the unit and coating internal components. Office or classroom settings near construction or dust areas: use to reduce dust intrusion and lower maintenance frequency. Seasonal or renovation periods: protect the unit during periods of increased dust and keep airflow clean when the system is in use or idle.