DUSTPROOF FUNCTIONALITY Designed to keep dust away from your air conditioning unit, promoting better airflow and efficiency for a healthier indoor climate. EASY INSTALLATION Installation is straightforward and tool, allowing you to improve your air conditioner's cleanliness without complex steps or equipment. STURDY CONSTRUCTION Made from robust plastic material, this dust filter is a dependable accessory that withstands daily use in a variety of environments. FOUR VERSIONS AVAILABLE Choose from four versions to fit different air conditioner models and preferences with ease. Key benefits and attributes Function: dust protection, improved airflow, and enhanced cooling efficiency. Compatibility: four versions available to fit a range of air conditioner models. Size: four variant options to accommodate different units and installation depths. Material: robust plastic for durability in daily use. Performance: helps maintain cleaner indoor air and reduces maintenance frequency. Use scenarios Home use during pollen season or in households with pets to keep the indoor AC unit clean and running efficiently. Small office or where the AC runs daily, minimizing dust buildup and maintenance downtime. Environments with higher dust levels, such as near construction areas or woodworking spaces, to prevent dust ingress into the unit.