Pamlico Air 20 in. W X 25 in. H X 2 in. D Fiberglass 4 MERV Air Filter is your solution for cleaner, healthier air in your home or office. This high-quality air filter is made from durable fiberglass material and has a MERV 4 rating, effectively capturing dust, pollen, and other airborne particles. It measures 20 inches wide, 25 inches high, and 2 inches deep, making it compatible with most standard HVAC systems. Keep your indoor air fresh and free of harmful contaminants with the Pamlico Air 20 in. W X 25 in. H X 2 in. D Fiberglass 4 MERV Air Filter.