Pamlico Air 18 in. W X 20 in. H X 2 in. D Fiberglass 4 MERV Air Filter is the perfect solution for improving the air quality in your home or office. Made with durable fiberglass material, this air filter effectively captures dust, pollen, and other airborne particles, preventing them from circulating in your space. With a 4 MERV rating, it provides high efficiency filtration, making it ideal for those with allergies or respiratory issues. Say goodbye to poor air quality and hello to cleaner, fresher air with the Pamlico Air 18 in. W X 20 in. H X 2 in. D Fiberglass 4 MERV Air Filter.