efficiency filtration: This air conditioner filter uses a unique blend of plastic and cotton materials to effectively trap dust and impurities, delivering a cleaner indoor atmosphere and extending the filter's lifespan. Easy installation: The filter features a userfriendly hanging design and slides into the designated slot with ease, avoiding complicated setups. Dust proof design: Significantly reduces dust and dirt entering the air conditioning unit, helping to maintain cooler airflow and improve overall living space comfort. Health protection: By blocking harmful airborne particles, this air filter improves indoor air quality and supports a healthier environment for you and your family. Use scenarios In dusty or urban environments, install this filter to reduce dust buildup and maintain cleaner indoor air. For allergy or asthma sufferers, use this filter to improve air quality and reduce irritants in the living space. In small offices or apartments, deploy this filter to keep air clean and the cooling system efficient with minimal maintenance.