Constructed with a durable plastic frame and dense cotton fiber filter, this air conditioner filter is designed to trap dust and airborne particles, protect your room AC unit, and improve indoor air quality. Key benefits Efficient filtration: Dense cotton fibers capture dust, lint and larger airborne particles before they reach the AC evaporator and blower. Reduced dust infiltration: Acts as a dustblocking barrier that lowers the amount of dust entering the room and the air conditioner. Better cooling performance: By keeping dust out of the unit, airflow is maintained and the AC can operate more efficiently and comfortably. Extended unit life: Reduces buildup inside the air conditioner, helping sustain the usable life of the appliance and reducing service needs. Healthier indoor air: Lowers the concentration of common airborne particles in living spaces, supporting a cleaner environment for household members. Features Materials: Durable plastic frame with dense cotton fiber filtering medium. Function: Mechanical filtration that traps dust and particulate matter before they enter the air conditioner. Application: For use with room air conditioner units to reduce dust entry and protect internal components. Maintenance: Inspect periodically; cleaning or replacement maintains filtration performance and airflow. Practical use scenarios Home living room: Install in a room AC unit to reduce dust accumulation on coils and filters, improving cooling comfort and reducing cleaning frequency. Bedroom for sensitive occupants: Use in a bedroom air conditioner to lower airborne dust and support a cleaner sleeping environment for allergyprone family members. Small office or retail space: Protect compact room AC units from dust ingress to maintain steady airflow and avoid premature maintenance. Why choose this filter Simple, functional design that focuses on trapping dust and protecting room air conditioners. Durable plastic frame and cotton fiber medium deliver reliable mechanical filtration without added chemicals or scents. Helps maintain airflow and reduce internal dust buildup for improved AC performance and healthier indoor air. Installation note Designed for room air conditioner units; follow your unit's instructions for mounting, inspection and maintenance to ensure performance.