NaturalAire High Efficiency Air Filter, MERV 8, 20 x 25 x 6-Inch, 2-Pack 2 Pack of high performance synthetic air filters to help eliminate dust and contaminants MERV 8 rating: Removes household dust, pollen, dirt, mold spores and more Self-sealing gasket for better airflow control Deep V-pleats provide large media surface area for more effective filtration while keeping airflow resistance low Compatible with HVAC systems requiring filters sized 20" x 25" x 6"