Features: Enjoy clean and freshs air with this high quality replacement filter for air purifiers. Efficiently filter out harmful particles, dust, and pollens, ensuring a healthier living environment. Designed with a multi layer filtration system, including a pre filter and a high efficiency filter, this plastic filter provides thorough purification of the air, effectively removing pollutants and improving indoor air qualitys. Idealfor all users of air purifiers, this filter replacement offer a convenient and reliable option to maintain the performances of your device. Keep your loved ones safe from airborne contaminants with this essential accessory. Suitable for various environments, including homes, offices, and meeting rooms, this filter ensures clean and healthy air. Create a comfortable and productive atmosphere by eliminating allergen and pollutants, allowing you to breathe easier and focusbetter. Upgrade your air purification system effortlessly with this easy to install filter replacement. Say goodbye to air pollution and enjoy the benefits of freshs andclean air in any room. Breathefreely and live a healthier life with this essential accessory. Specifications: Material:Filter Cotton Size:As Picture Shown Color:White For Blueair Pure 411 Package Includes: 1x Air Dust Filter note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.