Pamlico Air 18 in. W X 24 in. H X 2 in. D Fiberglass 4 MERV Air Filter is the perfect solution for cleaner and healthier air in your home or office. Designed to fit most standard HVAC systems, this high-quality air filter effectively captures dust, pollen, and other airborne particles with its 4 MERV rating. Made with durable fiberglass material, it is built to last and can be easily replaced for maximum efficiency. Breathe easy and improve your indoor air quality with the Pamlico Air 18 in. W X 24 in. H X 2 in. D Fiberglass 4 MERV Air Filter.