Dustproof protection Designed for indoor unit hanging systems, this air outlet dust filter helps prevent dust buildup inside the air conditioner, supporting cleaner airflow and maintaining performance with minimal upkeep. Easy installation Specifically designed for Hisense and Huabao models, these air conditioning filter accessories can be quickly fitted to your unit, making it simple to upgrade cleanliness and air quality at home. Long lasting material Made from sturdy plastic, the filter offers reliable performance through repeated use, providing a dependable solution that withstands daily operation in central heating and cooling environments. Multiple choices Available in varied styles to match different models, allowing you to select the version that matches your appliance. Use scenarios Home living room: Helps keep the indoor air cleaner by reducing dust at the source, supporting efficient airflow and consistent AC performance. Bedroom or study: Easy replacement and durable construction contribute to a healthier sleeping or working environment with better air quality. Small office or apartment with central HVAC: Quick install and reliable material support ongoing maintenance and clean air with minimal downtime.