The 16 in. x 25 in. x 1 in. Filtrete Micro Allergen Filter is designed to capture small particles such as dust, pollen, and pet dander to improve the air quality in your home. This high-performance filter is made with electrostatic technology to attract and trap particles, providing cleaner air for you and your family. With a convenient size of 16 inches by 25 inches by 1 inch, this filter is easy to install and replace, ensuring that your HVAC system runs efficiently and effectively. Breathe easier and enjoy a healthier indoor environment with the Filtrete Micro Allergen Filter.