NaturalAire 15 in. W X 24 in. H X 1/4 in. D Aluminum 4 MERV Air Conditioner Filter is a high-quality air filter designed to improve the air quality in your home or office. Made with durable aluminum and featuring a 4 MERV rating, this filter effectively captures dust, pollen, and other airborne particles, providing cleaner and healthier air for you and your family. Easy to install and replace, this. pack ensures you always have a fresh and efficient filter on hand. Breathe easy with the NaturalAire air conditioner filter.