AAF Flanders EZ Flow II 10 in. W X 10 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. It features a 4 MERV rating, ensuring efficient filtration of dust, pollen, and other airborne particles. The 1-inch thickness allows for easy installation and replacement. Keep your indoor air clean and fresh with the AAF Flanders EZ Flow II air filter.