Dustproof protection Keeps dust from accumulating on the air conditioner indoor unit, helping maintain airflow and system performance for models compatible with 1P/1.5HP systems. Easy installation Designed for straightforward setup; this air outlet dust filter can be quickly installed onto your air conditioning unit without complex tools or professional assistance. Long lasting construction Made from sturdy plastic materials, this air conditioning filter accessory provides reliable long term use and supports maintaining your split system's air quality and operational efficiency. Multiple style options Available in 4 distinct styles; you can select the match for your specific air conditioner model and preference, balancing functional performance and aesthetic compatibility. Use scenarios In a home living room or bedroom with ongoing dust or petrelated shedding, this hanging filter helps protect the indoor unit and improve air cleanliness with simple, tool installation. In an office or small with a wall mounted or ceiling cassette air conditioner, install quickly to maintain air quality and system efficiency without downtime. During renovations or in dusty environments near construction, use this filter to shield the indoor unit, preserve airflow, and extend the life of your split system.