Pamlico Air 16 in. W X 20 in. H X 2 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 MERV rating of 4, it effectively captures dust, pollen, pet dander, and other airborne particles, ensuring cleaner and fresher air. Its sturdy fiberglass construction makes it durable and long-lasting, providing you with clean air for months to come. Keep your space free from harmful pollutants with the Pamlico Air 16 in. W X 20 in. H X 2 in. D Fiberglass 4 MERV Air Filter.