1EFFECTIVE FILTRATION: This filter effectively prevents particles, dust, pollen, smoke, odors, and pet dander, ensuring clean and healthy air for you and your family. 2HIGH EFFICIENCY PARTICLE FILTER: The fine filter reduces unnecessary odors in your living space, providing a comfortable environment with reduced pollutants and odors. 3EASY INSTALLATION: The filter is easy to install and requires no complex operations. It can be replaced within minutes without the need for special tools, providing convenience for your daily life. 4PROPER SEALING: The filter is sealed to protect its lifespan. It is recommended to replace the filter regularly to keep your machine safe and clean. For best results, dismantle the filter once a month and gently clean it with a soft brush or vacuum. 5COMPATIBILITY: This filter is specifically designed to fit for AC4076 4016 AC4147 ACP017 077 air filters, ensuring accurate and perfect filtration performance.