Pamlico Air 14 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, and other airborne particles, promoting a healthier living environment. Made from durable fiberglass material, this filter is built to last and comes in a convenient 1 pack. Breathe easier with the Pamlico Air 14 in. W X 20 in. H X 2 in. D Fiberglass 4 MERV Air Filter.