This filter from Airinum offers advanced air purification with HEPA technology and a carbon filter. The advanced HEPA filter with carbon filter removes 99% of particles down to a size of 0.3 micrometers. An intelligent sensor indicates when to replace the filter after 500 hours of use. It is effective against pollutants, allergens, and pathogens, protecting your personal environment. The Hale replacement filter is designed to maintain the optimal performance of your personal air purifier. With advanced HEPA filter technology and an integrated carbon filter, it can effectively filter out 99% of airborne particles down to a size of 0.3 micrometers. This includes invisible particles and gases such as pollutants, allergens, and pathogens, making your indoor climate cleaner and healthier. The filter is particularly effective against particles like smoke and gases, contributing to noticeably cleaner air. It also removes allergens such as pollen, mold spores, dust mites, and pet dander, making it ideal for allergy sufferers. Additionally, it is designed to filter out airborne pathogens such as bacteria, viruses, and fungi. An intelligent sensor on the filter turns red after 500 hours of operation, indicating that it is time to replace the filter. This ensures that your air purifier continues to deliver fresh and clean air, no matter where you are.