Enhance the efficiency of your ducted heat pump system with our DUCTED HEAT PUMP AIR INTAKE FILTER 400x400x10mm. Specifically engineered for aircon units like Mitsubishi, Fujitsu, Daikin, Panasonic, and Toshiba, this filter is easy to install—just take the old dirty one out and slide the new one in. Regularly changing the air return filter is crucial to stop dust accumulation and preventing airflow restriction, significantly improving your indoor air quality. As ventilation filter experts, we ensure our products meet the highest standards for durability and performance. Trust filter-specialists for all your home-electronics ventilation needs.