AAF Flanders EZ Flow II 12 in. W X 30 in. H X 1 in. D Fiberglass 4 MERV Air Filter is a high-quality air filter designed to improve the air quality in your home or office. Made with durable fiberglass material, it effectively captures dust, pollen, and other airborne particles with a 4 MERV rating. Measuring 12 inches wide, 30 inches high, and 1 inch deep, this air filter is easy to install and comes in a convenient 1 pack. Breathe easy and keep your space clean with the AAF Flanders EZ Flow II air filter.