Enviroflow 20x20x1 (19.75 x 19.75) Pollen and Dust Control (4 Pack)
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<b>[Product Information]</b><br>
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<li>MERV 8 rated, electrostatic pleated media, which performs better than regular fiberglass fibers</li>
<li>Traps dust and allergens such as pollen, mold, pet dander and dust mites</li>
<li>Each filter lasts up to 90 days</li>
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