Wall mounted air conditioner filter accessory for indoor units, designed to hang inside the cabinet to prevent dust buildup at the air outlet, ensuring cleaner airflow and consistent cooling performance. Easy installation in minutes. Dustproof design: plastic dust screen acts as an outlet filter to forestall dirt accumulation inside the system, helping to maintain efficiency over time. Durable material: sturdy plastic construction provides long lasting use even with continuous operation, making it a reliable upgrade for your split system. Multiple choices available: comes in 4 distinct styles to suit various air conditioner models; choose the style that matches your unit's dimensions and aesthetic preference. Practical applications: Use with a wall mounted indoor unit in a living room or bedroom to keep the outlet clean and preserve cooling performance. Suitable for small offices or apartments with split systems to extend filter life and reduce maintenance. Ideal as an easy upgrade in homes with frequent dust or heavy use to improve air quality and overall system efficiency.