These replacement air filters are designed to deliver optimized airflow and extended durability across a wide range of air conditioning models with precise fit compatibility. They actively clean circulating air in bedrooms, living areas, and commercial environments while helping protect air conditioning units from dust buildup. Suitable for households, office buildings, and retail stores that want to enhance air purification in spaces served by air conditioning systems. Engineered with nonwoven fabric that offers heat resistance and a design for effortless installation without tools. Use scenarios Home use: Install in a bedroom or living room air conditioner to improve air quality and reduce dust accumulation, contributing to a cleaner, more comfortable indoor environment. Office or small business: filters in wall units or ceiling cassette systems to maintain cleaner circulating air for employees and customers while protecting equipment from dust. Retail environments: Use in store HVAC units to help maintain clear airflow and cleaner air in customer areas, supporting a more pleasant shopping experience and reducing dust load on the system. Key attributes Function: Air purification and protection of air conditioning units by reducing dust buildup and maintaining airflow. Compatibility: Precise fit across multiple air conditioning models, designed for broad compatibility. Material: Nonwoven fabric with heat resistance. Installation: Tool, easy to install. Performance: Supports optimized airflow and durable operation across use environments.