Effective dust protection for hanging indoor unit air conditioners. This antidust filter helps prevent dust buildup, supporting airflow and energy efficiency by reducing clogging that can lower performance. Easy, tool installation. The filter attaches quickly and securely to the indoor unit, allowing anyone to improve cleanliness and minimize daily dust accumulation without using tools. Durable longlasting materials. Made from quality plastics, the filter net is built to withstand regular use and environmental factors, providing reliable dust protection over time. Four style options. Available in four styles to fit different air conditioner models and preferences, enabling a setup that matches your home and unit needs. Use scenarios In dusty environments or after home renovations, install the filter to maintain clear airflow and reduce routine cleaning. In homes with pets or shedding, use the filter to limit fur and dander from entering the indoor unit and circulating in the room. In rental properties or multiuser spaces, take advantage of tool installation for quick maintenance and easy replacement without professional help.