The AAF Flanders EZ Flow II 10 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, this filter is able to capture dust, pollen, and other airborne particles, helping to keep your space clean and fresh. With a MERV 4 rating, it is suitable for standard residential and commercial use. This pack includes one filter, making it convenient and cost-effective for regular replacements. Improve your indoor air quality with the AAF Flanders EZ Flow II air filter.