Pamlico Air 14 in. W X 14 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. With a 4 MERV rating, it effectively captures dust, pollen, and other airborne particles, providing you with cleaner and fresher air. Made of durable fiberglass material, this filter is built to last and can be easily replaced for optimal performance. Keep your indoor air clean and healthy with the Pamlico Air 14 in. W X 14 in. H X 1 in. D Fiberglass 4 MERV Air Filter.