Efficiency Air Conditioner Filter Material: a unique blend of plastic and cotton. Captures dust and impurities to create a cleaner indoor atmosphere and help extend filter life and overall performance. Easy Installation for Wall Mounted Units Hanging design that slides into the designated slot of compatible wall mounted air conditioners. No tools or complicated setup required for quick maintenance. Protective Airflow Protection Significantly reduces the entry of dust and dirt into the air conditioning system, helping maintain cooler airflow and consistent performance. Healthier Indoor Environment Blocks harmful airborne particles to promote a healthier atmosphere for you and your family, while supporting efficient operation of your unit without compromising indoor air quality. Compatibility and Size Designed to fit into the designated slot of compatible wall mounted air conditioners. Check that your unit is compatible with this filter for results. Use Scenarios In a bedroom with a wall mounted AC to improve air quality and support better sleep. In a home office or study area to maintain a cleaner working environment during long hours. In a small apartment or rental unit to simplify maintenance and keep the cooling system efficient.