MODEL COMPATIBILITY: This Filter-Monster kit includes a genuine high-quality filter that is compatible with the Aeris Aair 3-in-1 Pro Air Purifier FILTRATION: The H13 filter captures up to 99.97% of particles sized .3 to 10 microns, including common irritants like dust, pollen, mold spores, pet dander, and lint. REPLACEMENT TIME: To maintain peak purifier efficiency, Filter-Monster recommends replacing your once a year, depending on air quality environment and usage. DIMENSIONS: Filter measures 11.25" x 11.9" x 11.9" and weights 13.14 pounds Package Included: One (1) 3-in-1 Pro Air Purifier Replacement Filter For over 25 years, Filter-Monster has been on a mission to help people breathe easier with filtration solutions that deliver trusted performance, everyday reliability, and great value. This Filter-Monster starter replacement filter, compatible with the Aeris Aair 3-in-1 Pro Air Purifier, is the perfect entry point to cleaner air. It captures up to 99.97% of airborne particles as small as 0.3 microns—including dust, pollen, mold spores, pet dander, lint, and even VOCs—making it a solid choice for allergy sufferers and anyone looking to freshen up their space. With embedded activated charcoal built right into the filter housing, it also helps neutralize odors and tackle everyday air pollutants. Whether you're at home or in the office, this filter is a reliable solution for healthier indoor air. To ensure effective filtration, it is recommended to replace the filter once a year or more often depending on air quality and environmental factors. This allows you to save both time and money on cleaning the air around you without the need to frequently replace your air purifier filter. Each package includes one (1) high quality Filter-Monster Filter Replacement Compatible with Aeris Aair 3-in-1 Pro Air Purifier. Filter-Monster gives you more than a filter—it gives you cleaner air, reliable quality, and real savings.