Here’s the Pamlico Air 18 in. W X 30 in. H X 1 in. D Fiberglass 4 MERV Air Filter - the ultimate solution for cleaner and healthier air in your home. This high-quality filter is made with durable fiberglass material and has a MERV rating of 4, ensuring it effectively captures dust, pollen, and other airborne particles. With a size of 18 in. W X 30 in. H X 1 in. D, it fits seamlessly into most standard air filter systems. Keep your indoor air fresh and breathable with the Pamlico Air 18 in. W X 30 in. H X 1 in. D Fiberglass 4 MERV Air Filter.