The 6 Pack Simply Filters 16x20x1 Breath Simply Air Filters Merv 8 are high-quality pleated air filters designed for use in air conditioners and furnaces. Made with electrostatic filtration technology, these filters capture contaminants such as dust, dust mites, pet dander, bacteria, and pollen. With a filter life of 3 months, these filters are made with paperboard filter frames and polyester filter media, ensuring clean and healthy air in your home. Manufactured in the United States by Simply, a trusted brand in indoor air quality.