Dust Protection for Hualing Air Conditioners Effectively captures airborne particles and dust accumulation within your indoor unit, helping to maintain airflow and cooling performance while reducing maintenance frequency. Quick Installation Process No tools required. Simply secure the filter over your air conditioner's intake area for immediate use and improved air cleanliness. Long Lasting Plastic Construction Made from resilient plastic material, this reusable filter withstands regular cleaning and maintains its shape, offering reliable service across multiple seasons. MultiStyle Compatibility Available in various designs and dimensions to match different Hualing models, delivering a precise fit and seamless integration with your existing system. Use scenarios In dusty environments at home or in the office: reduces entry of dust into the indoor unit, helping preserve performance and cleanliness. During pollen seasons or allergen periods: helps minimize pollen and small particles entering the system for cleaner indoor air. For homes or workplaces with multiple Hualing units: provides easy, consistent filtration across different models with a precise fit.