AAF Flanders EZ Flow II 18 in. W X 24 in. H X 1 in. D Fiberglass 4 MERV Air Filter is a high-quality air filter designed to keep your home or office air clean and fresh. Made with durable fiberglass material and a 4 MERV rating, this filter effectively captures dust, pollen, and other airborne particles. Its easy-to-use design allows for hassle-free installation and replacement. Improve the air quality in your space with the AAF Flanders EZ Flow II air filter.