Efficiency Filtration The filter uses advanced cotton material to capture dust and impurities, helping keep the air conditioner interior clean and supporting a healthier living environment. Easy Installation And Removal Hanging design requires no tools. Simply insert into the unit via the card slot for quick setup and hassle maintenance when cleaning is needed. Effective Dust Prevention Reduces dust and dirt entering the air conditioner, delivering cooler, more efficient airflow and helping extend the lifespan of the cooling system. Compatibility For Internal Units Designed specifically for air conditioning outlet internal units, this filter provides a reliable dust shield that protects against harmful particles without obstructing airflow. Use scenarios In homes with pets or allergyprone individuals, the filter helps keep indoor air cleaner by capturing pet dander and dust. In offices or shared spaces, tool installation allows quick setup and easy cleaning during routine maintenance, minimizing downtime. In dusty or renovation environments, the filter minimizes dust intrusion into the unit while maintaining efficient cooling performance.