Effective Dust Prevention for hanging indoor units This dust screen is designed to block airborne particles from entering the indoor unit, helping maintain airflow and cooling performance while reducing internal dust buildup. Easy and tool installation Tool design lets you attach the filter screen to your AC unit's air outlet in moments, making routine maintenance effortless and keeping your cooling system cleaner. Durable, longlasting construction Made from sturdy plastic that resists wear and tear, this accessory provides reliable protection season after season without tearing or losing its shape, delivering longterm value. Four design variations for broad compatibility Available in four design options to accommodate various indoor unit models, allowing you to select the right match for your specific unit. Key attributes Function: prevents dust ingress, supports consistent airflow and cooling Compatibility: designed for hanging indoor AC units; four styles cover a range of models Material: durable plastic Installation: no tools required Durability: maintains shape and protective capability over time Use scenarios Home use with a hanging indoor AC unit in living areas to minimize dust entering the cooling system and maintain steady airflow Small office environments with hanging indoor units to simplify maintenance and keep the cooling system cleaner Environments with higher dust levels or pet hair, where a protective screen helps extend intervals between deep cleanings while preserving performance