Actual filter size may differ from size shown in image.
18x20x1 Naturalaire Microparticle MERV 10 Filters (6 pack)
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With a MERV 10 rating, the Flanders NaturalAire Microparticle electrostatically charged filter not only protects your HVAC system, it helps protect the ones you love. It provides superior filtration against many common household contaminants such as dust mites, mold, and those that aggravate allergies like pet dander and pollen.